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This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, and an ADC to convert the analog temperature reading into digital form for a microcontroller. The microcontroller then controls the firing angle of a TRIAC, which regulates the average power and therefore speed of the exhaust fan motor depending on the sensed temperature. When temperature is low, the fan will rotate slowly, and increase in speed as the temperature rises to effectively control the room temperature.
Automatic temperature based exhaust fan controllerEcwayt
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal by an analog-to-digital converter (ADC). The microcontroller then sets the firing angle of a TRIAC, which controls the average power and therefore speed of the exhaust fan motor, based on the temperature reading. The fan speed will increase as the temperature rises to effectively regulate the room temperature.
This document discusses the design considerations and equipment used in different types of power plants. It covers hydroelectric, thermal, nuclear, and gas power plants. For each type of power plant, it describes important factors to consider in site selection and lists key equipment used. The goal of the experiment was to study power plant design and electrical equipment for power generation. Safety precautions and procedures were also outlined.
The document discusses energy meters and how they work. It provides information on:
1) The basic components and operating principles of induction-type energy meters, including how they measure power consumption over time using a rotating aluminum disc.
2) The history of electricity meters dating back to 1872, and how modern watthour meters developed from early designs.
3) Additional meter types like CT meters, electronic meters, and special purpose meters like prepaid and smart meters.
4) Key aspects of energy metering like accuracy classes, maximum demand calculation, and advanced metering functionality.
Automatic temperature based exhaust fan controllerEcwayt
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal and sent to a microcontroller. The microcontroller then controls the firing angle of a TRIAC, which regulates the average power and therefore speed of the exhaust fan motor based on temperature. When temperature is low, the fan will rotate slowly, and as temperature increases the fan speed will also increase. This allows the fan speed to automatically adjust based on the measured room temperature.
The vital importance of this lesson is that it will allow you to acquire a basic level of appreciation and knowledge of the techniques used by the utility company to measure the amount of energy used within the household. After this presentation, you should be able to read your own meter to calculate your energy bill.
This document summarizes and compares two types of electrical energy meters: electromechanical induction meters and electronic meters. Electromechanical meters measure energy usage by counting the revolutions of a rotating metal disk driven by magnetic coils related to current and voltage. Electronic meters use digital microchips and circuits to sample current and voltage and calculate power consumption digitally. Electronic meters offer additional features like displaying multiple power readings, remote data transmission, and prepaid billing options.
This document discusses different types of energy meters. It introduces energy meters as devices that measure the amount of electrical energy consumed by homes, industries, and commercial buildings. It describes electromechanical induction meters, which use a metal disc that revolves in a magnetic field, with a counting mechanism to record rotations corresponding to units of energy used. Electronic energy meters display energy usage digitally and can measure usage in peak vs. off-peak hours. Smart energy meters provide real-time usage data and accurate billing by communicating readings remotely. Tampering is a major concern as meters can be manipulated to under-register energy usage, resulting in lost revenue.
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, and an ADC to convert the analog temperature reading into digital form for a microcontroller. The microcontroller then controls the firing angle of a TRIAC, which regulates the average power and therefore speed of the exhaust fan motor depending on the sensed temperature. When temperature is low, the fan will rotate slowly, and increase in speed as the temperature rises to effectively control the room temperature.
Automatic temperature based exhaust fan controllerEcwayt
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal by an analog-to-digital converter (ADC). The microcontroller then sets the firing angle of a TRIAC, which controls the average power and therefore speed of the exhaust fan motor, based on the temperature reading. The fan speed will increase as the temperature rises to effectively regulate the room temperature.
This document discusses the design considerations and equipment used in different types of power plants. It covers hydroelectric, thermal, nuclear, and gas power plants. For each type of power plant, it describes important factors to consider in site selection and lists key equipment used. The goal of the experiment was to study power plant design and electrical equipment for power generation. Safety precautions and procedures were also outlined.
The document discusses energy meters and how they work. It provides information on:
1) The basic components and operating principles of induction-type energy meters, including how they measure power consumption over time using a rotating aluminum disc.
2) The history of electricity meters dating back to 1872, and how modern watthour meters developed from early designs.
3) Additional meter types like CT meters, electronic meters, and special purpose meters like prepaid and smart meters.
4) Key aspects of energy metering like accuracy classes, maximum demand calculation, and advanced metering functionality.
Automatic temperature based exhaust fan controllerEcwayt
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal and sent to a microcontroller. The microcontroller then controls the firing angle of a TRIAC, which regulates the average power and therefore speed of the exhaust fan motor based on temperature. When temperature is low, the fan will rotate slowly, and as temperature increases the fan speed will also increase. This allows the fan speed to automatically adjust based on the measured room temperature.
The vital importance of this lesson is that it will allow you to acquire a basic level of appreciation and knowledge of the techniques used by the utility company to measure the amount of energy used within the household. After this presentation, you should be able to read your own meter to calculate your energy bill.
This document summarizes and compares two types of electrical energy meters: electromechanical induction meters and electronic meters. Electromechanical meters measure energy usage by counting the revolutions of a rotating metal disk driven by magnetic coils related to current and voltage. Electronic meters use digital microchips and circuits to sample current and voltage and calculate power consumption digitally. Electronic meters offer additional features like displaying multiple power readings, remote data transmission, and prepaid billing options.
This document discusses different types of energy meters. It introduces energy meters as devices that measure the amount of electrical energy consumed by homes, industries, and commercial buildings. It describes electromechanical induction meters, which use a metal disc that revolves in a magnetic field, with a counting mechanism to record rotations corresponding to units of energy used. Electronic energy meters display energy usage digitally and can measure usage in peak vs. off-peak hours. Smart energy meters provide real-time usage data and accurate billing by communicating readings remotely. Tampering is a major concern as meters can be manipulated to under-register energy usage, resulting in lost revenue.
The document discusses different heat engines and their application of the second law of thermodynamics. [1] It describes how heat engines like internal combustion engines absorb heat from a high temperature source, convert some of the energy to mechanical work, and reject the remaining energy to a low temperature sink. [2] Cooler engines, like refrigerators and air conditioners, operate in the opposite way by transferring heat from a low temperature reservoir to a high temperature reservoir using external work. [3] The performance of heat engines is measured by efficiency while cooler engines are measured by coefficient of performance.
The document discusses the application of the second law of thermodynamics to heat engines and cooler engines. It explains that heat engines take in fluid through a cycle, absorbing heat from a high temperature source, partially converting it to mechanical work, and discarding the rest as heat to a low temperature source. Cooler engines operate in the opposite way, using external work to transfer heat from a cool reservoir to a hot reservoir. Examples of cooler engines given are refrigerators and air conditioners.
Inverter Technology in Air ConditionersAdil Siddiqui
Rising Sales Trend of Inverter technology based Air conditioners in Pakistan.
So what exactly is this Inverter-based air conditioning and how it is different from the existing technology? Let’s examine that:
Technology
Components
Benefits
Savings
This document provides an overview of a 469MW combined cycle power plant located in Samalkot, India. It describes the plant's capacity and inputs/outputs. The plant uses a combination of gas and steam cycles with two gas turbines and one steam turbine. It also includes details on the electrical equipment such as generators, transformers, circuit breakers and isolators. Protection schemes, ratings, and alternative systems such as diesel generators and UPS systems are covered as well.
Explain about 3 Basic Types of Energy Meters? Watt hour meter or energy meter is an instrument which measures amount of electrical energy used by the consumers. ... Electromechanical induction type Energy meter.
Solar air conditioning uses solar power through photovoltaic conversion of sunlight to electricity, geothermal cooling, or passive cooling methods. Photovoltaic systems can power conventional or absorption cooling systems for small residential or commercial buildings. Earth sheltering and cooling tubes can reduce cooling needs by taking advantage of stable underground temperatures. Geothermal heat pumps exchange heat with the ground through water circulating in closed loops to improve air conditioning efficiency. Passive solar techniques like building orientation and shading can reduce cooling loads through natural ventilation and heat transfer principles without active solar thermal systems.
This document describes a temperature controlled fan speed controller circuit. The circuit uses an LM35 temperature sensor to monitor temperature. It sends the analog temperature reading to an ADC which converts it to a digital signal for a microcontroller. The microcontroller compares the temperature to set limits and controls the speed of a DC fan motor using PWM to vary the duty cycle and fan speed. It aims to efficiently cool components by increasing fan speed as temperature rises and decreasing it as temperature falls.
Electric meters measure the amount of electric energy consumed. There are two main types - electromechanical induction meters and electronic meters. Electromechanical meters use rotating disks and electromagnets to measure power integrated over time into kilowatt-hours. Electronic meters use digital microchips to sample voltage and current and convert this into pulses representing kilowatt-hours. Meters must be mounted in accessible locations according to safety standards to allow for reading and maintenance.
This document discusses different power plant configurations including subcritical, supercritical, and ultrasupercritical power plants. It provides operating parameters for typical subcritical and supercritical plants and conceptual parameters for an ultrasupercritical plant. The document also discusses fuel characteristics for Indian and imported coal. It describes modeling and simulating a subcritical power plant using Cycle-Tempo software to analyze performance parameters and efficiency variations under different conditions.
The document summarizes the electrical system of a CN-235 CASA aircraft. The system uses two 24V 40Ah nickel-cadmium batteries to power systems and start engines. It can also connect to an external 28V DC ground power unit. The aircraft has two starter generators that each supply 28V 400A of continuous power. A transformer-rectifier converts 115V AC to 28V DC power.
This document provides an overview of the four laws of thermodynamics and relates them to a car engine. It discusses the zeroth law regarding thermal equilibrium. The first law is demonstrated through the Carnot cycle that occurs in the engine, showing the conservation of energy. The second law is shown by the direction of heat flow from the hot to cold regions of the engine. The third law is applied when discussing the entropy of a perfect crystal approaching absolute zero.
1. The document discusses various techniques for improving energy efficiency in electrical systems such as occupancy sensors, daylight linked controls, energy efficient lamps, variable speed drives, soft starters, and maximum demand controllers.
2. It provides details on different types of occupancy sensors and how daylight linked controls can automatically adjust electric lighting levels based on available daylight.
3. The document also covers energy efficient technologies like CFL and LED lighting, high efficiency motors and transformers, electronic ballasts, and automatic power factor controllers.
The document provides details about a summer training conducted at the North Western Railway workshop in Jodhpur. It discusses train lighting systems including axle driven and roof mounted alternator systems. It also describes roof mounted air conditioning units, train lighting accessories like regulators and fuses, and battery specifications. Finally, it gives an overview of the power supply system from generating stations to distribution substations and consumers.
Automatic temperature based exhaust fan controllerEcwaytechnoz
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal by an analog-to-digital converter (ADC). The microcontroller then sets the firing angle of a TRIAC, which controls the average power and therefore speed of the exhaust fan motor, based on the temperature reading. The fan speed will increase as the temperature rises to effectively regulate the room temperature.
Automatic temperature based exhaust fan controllerEcway2004
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal and sent to a microcontroller. The microcontroller then controls the firing angle of a TRIAC, which regulates the average power and therefore speed of the exhaust fan motor based on temperature. When temperature is low, the motor will rotate slowly, and it will increase in speed as the temperature rises. This design allows for automatic and remote control of exhaust fan speed according to room temperature.
Automatic temperature based exhaust fan controllerEcway2004
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal by an analog-to-digital converter (ADC). The microcontroller then adjusts the firing angle of a TRIAC, which controls the average power and therefore speed of the exhaust fan motor, based on the temperature reading. The fan speed will increase as the temperature rises to effectively regulate the room temperature.
The document discusses different heat engines and their application of the second law of thermodynamics. [1] It describes how heat engines like internal combustion engines absorb heat from a high temperature source, convert some of the energy to mechanical work, and reject the remaining energy to a low temperature sink. [2] Cooler engines, like refrigerators and air conditioners, operate in the opposite way by transferring heat from a low temperature reservoir to a high temperature reservoir using external work. [3] The performance of heat engines is measured by efficiency while cooler engines are measured by coefficient of performance.
The document discusses the application of the second law of thermodynamics to heat engines and cooler engines. It explains that heat engines take in fluid through a cycle, absorbing heat from a high temperature source, partially converting it to mechanical work, and discarding the rest as heat to a low temperature source. Cooler engines operate in the opposite way, using external work to transfer heat from a cool reservoir to a hot reservoir. Examples of cooler engines given are refrigerators and air conditioners.
Inverter Technology in Air ConditionersAdil Siddiqui
Rising Sales Trend of Inverter technology based Air conditioners in Pakistan.
So what exactly is this Inverter-based air conditioning and how it is different from the existing technology? Let’s examine that:
Technology
Components
Benefits
Savings
This document provides an overview of a 469MW combined cycle power plant located in Samalkot, India. It describes the plant's capacity and inputs/outputs. The plant uses a combination of gas and steam cycles with two gas turbines and one steam turbine. It also includes details on the electrical equipment such as generators, transformers, circuit breakers and isolators. Protection schemes, ratings, and alternative systems such as diesel generators and UPS systems are covered as well.
Explain about 3 Basic Types of Energy Meters? Watt hour meter or energy meter is an instrument which measures amount of electrical energy used by the consumers. ... Electromechanical induction type Energy meter.
Solar air conditioning uses solar power through photovoltaic conversion of sunlight to electricity, geothermal cooling, or passive cooling methods. Photovoltaic systems can power conventional or absorption cooling systems for small residential or commercial buildings. Earth sheltering and cooling tubes can reduce cooling needs by taking advantage of stable underground temperatures. Geothermal heat pumps exchange heat with the ground through water circulating in closed loops to improve air conditioning efficiency. Passive solar techniques like building orientation and shading can reduce cooling loads through natural ventilation and heat transfer principles without active solar thermal systems.
This document describes a temperature controlled fan speed controller circuit. The circuit uses an LM35 temperature sensor to monitor temperature. It sends the analog temperature reading to an ADC which converts it to a digital signal for a microcontroller. The microcontroller compares the temperature to set limits and controls the speed of a DC fan motor using PWM to vary the duty cycle and fan speed. It aims to efficiently cool components by increasing fan speed as temperature rises and decreasing it as temperature falls.
Electric meters measure the amount of electric energy consumed. There are two main types - electromechanical induction meters and electronic meters. Electromechanical meters use rotating disks and electromagnets to measure power integrated over time into kilowatt-hours. Electronic meters use digital microchips to sample voltage and current and convert this into pulses representing kilowatt-hours. Meters must be mounted in accessible locations according to safety standards to allow for reading and maintenance.
This document discusses different power plant configurations including subcritical, supercritical, and ultrasupercritical power plants. It provides operating parameters for typical subcritical and supercritical plants and conceptual parameters for an ultrasupercritical plant. The document also discusses fuel characteristics for Indian and imported coal. It describes modeling and simulating a subcritical power plant using Cycle-Tempo software to analyze performance parameters and efficiency variations under different conditions.
The document summarizes the electrical system of a CN-235 CASA aircraft. The system uses two 24V 40Ah nickel-cadmium batteries to power systems and start engines. It can also connect to an external 28V DC ground power unit. The aircraft has two starter generators that each supply 28V 400A of continuous power. A transformer-rectifier converts 115V AC to 28V DC power.
This document provides an overview of the four laws of thermodynamics and relates them to a car engine. It discusses the zeroth law regarding thermal equilibrium. The first law is demonstrated through the Carnot cycle that occurs in the engine, showing the conservation of energy. The second law is shown by the direction of heat flow from the hot to cold regions of the engine. The third law is applied when discussing the entropy of a perfect crystal approaching absolute zero.
1. The document discusses various techniques for improving energy efficiency in electrical systems such as occupancy sensors, daylight linked controls, energy efficient lamps, variable speed drives, soft starters, and maximum demand controllers.
2. It provides details on different types of occupancy sensors and how daylight linked controls can automatically adjust electric lighting levels based on available daylight.
3. The document also covers energy efficient technologies like CFL and LED lighting, high efficiency motors and transformers, electronic ballasts, and automatic power factor controllers.
The document provides details about a summer training conducted at the North Western Railway workshop in Jodhpur. It discusses train lighting systems including axle driven and roof mounted alternator systems. It also describes roof mounted air conditioning units, train lighting accessories like regulators and fuses, and battery specifications. Finally, it gives an overview of the power supply system from generating stations to distribution substations and consumers.
Automatic temperature based exhaust fan controllerEcwaytechnoz
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal by an analog-to-digital converter (ADC). The microcontroller then sets the firing angle of a TRIAC, which controls the average power and therefore speed of the exhaust fan motor, based on the temperature reading. The fan speed will increase as the temperature rises to effectively regulate the room temperature.
Automatic temperature based exhaust fan controllerEcway2004
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal and sent to a microcontroller. The microcontroller then controls the firing angle of a TRIAC, which regulates the average power and therefore speed of the exhaust fan motor based on temperature. When temperature is low, the motor will rotate slowly, and it will increase in speed as the temperature rises. This design allows for automatic and remote control of exhaust fan speed according to room temperature.
Automatic temperature based exhaust fan controllerEcway2004
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal by an analog-to-digital converter (ADC). The microcontroller then adjusts the firing angle of a TRIAC, which controls the average power and therefore speed of the exhaust fan motor, based on the temperature reading. The fan speed will increase as the temperature rises to effectively regulate the room temperature.
Automatic temperature based exhaust fan controllerEcwaytechnoz
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal and sent to a microcontroller. The microcontroller then controls the firing angle of a TRIAC, which regulates the average power and therefore speed of the exhaust fan motor based on temperature. When temperature is low, the motor will rotate slowly, and it will increase in speed as the temperature rises. This helps save power by only running the fan as fast as needed to maintain comfortable room temperature.
Automatic temperature based exhaust fan controllerEcwaytech
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal and sent to a microcontroller. The microcontroller then controls the firing angle of a TRIAC, which regulates the average power and therefore speed of the exhaust fan motor based on temperature. When temperature is low, the fan will rotate slowly, and as temperature increases the fan speed will also increase. This allows the fan speed to automatically adjust based on the measured room temperature.
Automatic temperature based exhaust fan controllerEcwaytechnoz
This document describes an automatic temperature-based exhaust fan controller circuit. The circuit uses a thermistor to sense room temperature, which is converted to a digital signal by an analog-to-digital converter (ADC). The microcontroller then controls the firing angle of a TRIAC, which regulates the average power and therefore speed of the exhaust fan motor based on the temperature reading. By varying the firing angle, the motor will rotate slowly at low temperatures and increase in speed as the temperature rises, automatically controlling the fan to maintain comfortable room conditions.
This document discusses various topics related to analysis of wind and PV systems including:
- Standalone and grid-connected operation of fixed and variable speed wind energy conversion systems and solar photovoltaic systems.
- Grid integration issues for permanent magnet synchronous generator (PMSG) and squirrel-cage induction generator (SCIG) based wind energy conversion systems, as well as grid-integrated solar systems.
- Design of power converters such as AC-DC, DC-DC, and AC-AC converters for renewable energy sources and analysis of various operating modes of wind and solar systems.
- Design of hybrid renewable energy systems and factors affecting the plant economy of renewable power plants such as initial capital cost
The document discusses various energy efficient and renewable energy systems that could be implemented at a university campus. It proposes replacing existing lights with more efficient T5 lights, implementing solar water heaters to reduce electricity costs for water heating, improving air conditioning efficiency, and setting up solar-wind hybrid systems. Cost-benefit analyses are provided for each proposed system that show potential cost savings from reduced electricity consumption.
The document discusses energy saving vibration test systems. It introduces ECO-Shaker, an energy saving vibration test system that automatically optimizes the field current and blower speed during operation to minimize power loss. This reduces testing costs and environmental impact compared to conventional systems. ECO-Shaker monitors operating conditions and calculates the required excitation force to continuously set the optimal energy saving settings. It achieves full automatic energy savings throughout testing while maintaining readiness for any test conditions.
The document summarizes Mr. Mubassir Ghoniya's project on the ignition system of a spark ignition engine. It provides definitions of ignition systems, describes the key components and working of coil, magneto, and electronic ignition systems. It discusses the requirements, advantages, and disadvantages of each system. The firing order in a multi-cylinder engine is also explained briefly.
Simulation of Induction Furnace Comparison with Practical Induction Furnaceijsrd.com
In this paper, at first, a simulation of induction furnace model optimized resonant capacitor is designed for a practical induction furnace with parallel resonant inverter. Then rectifier and inverter snubber circuit are designed. And taken voltage, current, THD and power measured. This measured value comparison with actual working industry furnace data. and conclude that when furnace is not operate at full load that time its power factor is very low. And THD is high.
This document describes an intermediate frequency induction melting cooker technology that uses two electric cooker bodies powered by a single intermediate frequency electrical source. The system includes electric cookers rated at 5-6 tons capacity that can reach 1750°C, a 3500KVA transformer that reduces voltage from 10KV to 750V, and an intermediate frequency electrical source rated at 3000KW and 250Hz. The scheme allows one cooker to melt material while the other remains on standby.
This document provides information on different shops in a railway workshop, including the air conditioning shop, power shop, production control organization (PCO) shop, and train lighting shop. In the air conditioning shop sections, it describes the specifications and safety protections of roof mounted package units used for air conditioning trains. The power shop section outlines the substation and protective devices used. The PCO shop discusses the electrical inspections conducted on trains. Finally, the train lighting shop explains the fan and battery sections, including the types of fans and maintenance of lead acid and VRLA batteries.
The peer-reviewed International Journal of Engineering Inventions (IJEI) is started with a mission to encourage contribution to research in Science and Technology. Encourage and motivate researchers in challenging areas of Sciences and Technology.
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Implementing ELDs or Electronic Logging Devices is slowly but surely becoming the norm in fleet management. Why? Well, integrating ELDs and associated connected vehicle solutions like fleet tracking devices lets businesses and their in-house fleet managers reap several benefits. Check out the post below to learn more.
What Could Be Behind Your Mercedes Sprinter's Power Loss on Uphill RoadsSprinter Gurus
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Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
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1. A NEW ECO POWER AMPLIFIER GENERATION FOR VIBRATION TEST SYSTEM
NEW VISION SUSTANIBILITY
AUTOMATIC ADJUSTMENT EXCITATION VOLTAGE
NOISE REDUCING AND ENERGY SAVING
REAL - TIME MONITORING OF TEST STATUS
ECO POWER AMPLIFIER
2. ENERGY-SAVING POWER AMPLIFIER
Most electro-dynamic vibration testing shakers on the current market are not equipped with voltage adjustment
design for filed coil. The field coil has a fixed voltage output after the shaker is powered on. Actually the high
magnetic field is not required when performing low force tests, the energy is wasted and the service life of
the field coil is shortened thereof. On the other hand, the cooling blower is not designed with a velocity adjustment
function. The blower runs at full power when powered on, which results in energy waste and noise pollution.
The system collects the armature output voltage, armature output
current, and field coil voltage and field coil current periodically,
the armature output power and field coil consumption power will
be calculated based on collected data, and the total power will be stored
into PLC after addition of two quantities.
Reduce the field coil voltage, recalculate the total power of armature
output power and field coil consumption power, compare the new
data with that in step 1 and adjust the field coil voltage again according
to the comparison result. The final field coil voltage will be decided
where the voltage corresponding to the lowest total power according
to the principle of the least square method. The energy saving of
the whole system can be realized thereof.
Field coil adjustment:
3. FEATURES OF ENERGY - SAVING POWER AMPLIFIER
1
No acceleration sensor feedback is required, and the ultimate goal of the control strategy is to achieve
the minimum total power of the system under current test conditions.
2
The adjustment of the field coil voltage will not depend on the controller, but completely relies on the
built-in PLC to complete the optimal adjustment of field coil voltage.
3
Regarding the part of the cooling blower, the operation of the blower will be decided by the state of power
amplifier. The armature and field coil temperature will be continuously collected after the power amplifier
is powered on and the fan velocity is dynamically adjusted during the test. After finishing the test, adjust the
fan velocity again based on the actual temperature of the armature and field coil to dissipate the heat of
the shaker. On the other hand, the blower power consumption and noise are decreased.