Specifying a Medical Power Supply
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Medical-grade power supplies and commercial-grade counterparts look identical. But take a closer look. To find the right power supply, it’s critical to understand the differences.
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This thesis examines the power supply, design requirements, and protection schemes of the high voltage substation for an industrial plant. It analyzes the electrical system layout including two incoming high voltage lines, 150/6.3 kV transformers, separate 6.3 kV busbars, and 6.3/0.4 kV distribution transformers. The research method involves a comprehensive review of European and industry standards for power transformers, grounding, switching equipment, short circuit analysis, and relay protection coordination. Key findings include an investigation of motor protection relays using thermal modeling theory and examination of low voltage protection relay programming according to standards.
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This document summarizes Staco's power quality products and markets. Staco provides solutions to correct power quality problems that can occur anywhere along the generation, transmission, and distribution system. While external environmental factors only cause 20% of issues, they produce the most severe problems, such as spikes, swells, dips, and outages. Staco's products address various internal power quality problems including harmonics, caused by non-linear loads, and poor power factor from inductive loads. Staco's solutions include active harmonic filters, power factor correction, UPS systems, and voltage regulation products used in various industrial, commercial, medical, and government applications.
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Ahmed J is a 26-year-old Indian project engineer with over 5 years of experience in electrical maintenance, testing and commissioning of substations up to 220kV. He has a B.E. in electrical and electronics engineering and is currently working as an electrical engineer in Abu Dhabi testing and commissioning various high voltage equipment including GIS, power transformers and cables. In previous roles, he has managed electrical maintenance and turnkey projects.
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1. The document discusses the development of a microcontroller-based residual current circuit breaker (RCCB) that can detect faults even when the main power supply fails and a backup inverter is providing power.
2. Conventional RCCBs only protect against faults in the main power supply and not the backup inverter. This leaves users at risk of electric shock if a fault occurs when the inverter is operating.
3. The proposed microcontroller-based RCCB aims to address this issue by detecting faults under any power conditions, whether the main supply or backup inverter is providing power, in order to protect users.
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- The document provides an overview of Medilec's range of specialized medical electrical equipment and accessories.
- The Medilec ML2000 series offers an economical and modular medical service panel system using moulded accessories that can accommodate various equipment required for hospital treatment areas.
- Key products in the ML2000 series include RCDs, audible/visual alarms, and socket outlets designed for use in hospital patient treatment areas.
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Summary Thesis
This thesis examines the power supply, design requirements, and protection schemes of the high voltage substation for an industrial plant. It analyzes the electrical system layout including two incoming high voltage lines, 150/6.3 kV transformers, separate 6.3 kV busbars, and 6.3/0.4 kV distribution transformers. The research method involves a comprehensive review of European and industry standards for power transformers, grounding, switching equipment, short circuit analysis, and relay protection coordination. Key findings include an investigation of motor protection relays using thermal modeling theory and examination of low voltage protection relay programming according to standards.
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This document summarizes Staco's power quality products and markets. Staco provides solutions to correct power quality problems that can occur anywhere along the generation, transmission, and distribution system. While external environmental factors only cause 20% of issues, they produce the most severe problems, such as spikes, swells, dips, and outages. Staco's products address various internal power quality problems including harmonics, caused by non-linear loads, and poor power factor from inductive loads. Staco's solutions include active harmonic filters, power factor correction, UPS systems, and voltage regulation products used in various industrial, commercial, medical, and government applications.
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The document introduces TDK-Lambda's KM series of medical power supplies. It discusses the reliability, safety, and EMC compliance requirements for medical power supplies. It then provides an overview of the key features of the KM series, including encapsulated design, through-hole mounting, wide temperature rating, medical certifications, isolation, and small size. The document also covers target markets and applications as well as part numbering for the KM series.
CURRICULUM VITAE UPDATED 07.01.17
Ahmed J is a 26-year-old Indian project engineer with over 5 years of experience in electrical maintenance, testing and commissioning of substations up to 220kV. He has a B.E. in electrical and electronics engineering and is currently working as an electrical engineer in Abu Dhabi testing and commissioning various high voltage equipment including GIS, power transformers and cables. In previous roles, he has managed electrical maintenance and turnkey projects.
IRJET- Embedded System based Multi-Source Leakage Current Protection for Low ...
1. The document discusses the development of a microcontroller-based residual current circuit breaker (RCCB) that can detect faults even when the main power supply fails and a backup inverter is providing power.
2. Conventional RCCBs only protect against faults in the main power supply and not the backup inverter. This leaves users at risk of electric shock if a fault occurs when the inverter is operating.
3. The proposed microcontroller-based RCCB aims to address this issue by detecting faults under any power conditions, whether the main supply or backup inverter is providing power, in order to protect users.
M0000016
- The document provides an overview of Medilec's range of specialized medical electrical equipment and accessories.
- The Medilec ML2000 series offers an economical and modular medical service panel system using moulded accessories that can accommodate various equipment required for hospital treatment areas.
- Key products in the ML2000 series include RCDs, audible/visual alarms, and socket outlets designed for use in hospital patient treatment areas.
Fault analysis in power system using power systems computer aided design
This work presents a fault analysis simulation model of an IEEE 30 bus system in a distribution network. This work annalysed the effect of fault current and fault voltage in a distribution system. A circuit breaker was introduced into the system to neutralize the effect of the fault. The system was run on a PSCAD software and results were obtained. The system was monitored based on the start time and the end time of the fault and how well the circuit breaker reacts with those times. Fault occurred from 0.100 to 0.300 seconds before it was removed. At the time fault was not applied (i.e. from 0.00 to 0.100 and from 0.300 to 0.72), the circuit breaker was close and became open when fault was applied so as to cut off current flow through the line.The result obtained gave the disruption caused by the fault and the quick response of the circuit breaker in neutralizing it. Results gotten are based on when the circuit breaker is close and no fault is applied and when the circuit breaker is open due to fault. From this work, it was obtained that circuit breakers are very essential in system protection and reliability.
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Plugs and sockets are used to removably connect electrically operated devices to a power supply. A plug has protruding pins that fit into matching slots in a wall-mounted socket or power point. The main advantages of plugs and sockets are that they allow devices to be easily connected and disconnected from a power source using a switch and act as a circuit breaker to keep appliances safe. Common applications include providing emergency, uninterruptible, or isolated power sources for critical equipment.
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occurring in the Industrial Power Distribution system. Many such general problems if not resolved it may
lead to huge production stoppage and unforeseen equipment damages. We can improve the reliability of
Power system by simply applying the problem solving tool for every case study and finding out the root cause
of the problem, validation of root cause and elimination by corrective measures. This problem solving
approach to be practiced by every day to improve the power system reliability. This paper will throw the light
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they come across in their day to day maintenance activity.
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This presentation discusses uninterruptible power supplies (UPS). It begins by defining a UPS as a device that provides backup power when primary power is disrupted. It then covers the basic circuit diagram of a UPS and the three main types: online, offline, and line interactive. The key components of a UPS are also outlined, including converters, batteries, inverters, monitors, and controls. The working principles of UPS systems are then explained, noting how standby, line interactive, and online UPS topologies differ in their level of power protection. The presentation concludes by covering the two main types of UPS waveforms: sine wave and simulated sine wave output.
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This document discusses recent developments in power-conversion components for electronics. It begins by noting the need for higher speeds and lower power consumption in devices like laptops and military equipment. It then discusses how new materials like gallium nitride and silicon carbide allow for higher switching frequencies and lower losses compared to silicon. These new materials are being used in power MOSFETs and IGBTs. The document also notes the need for power-conversion components to operate over a wide range of voltages and temperatures depending on the application. It discusses some challenges in designing components for applications like smart meters and challenges of reducing size while managing heat.
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IRJET- Compensation of Voltage Sag and Voltage Swell by using the Power E...
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The Panduit no battery, maintenance-free UPS lowers the risk of downtime, provides lower TCO and features easy integration and remote device management.
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This document discusses the benefits of using a Compact Static Power Conditioner (SPC) to condition power for industrial equipment compared to other traditional solutions like servo motor-based automatic voltage regulators (AVRs) and uninterruptible power supplies (UPS). The SPC provides instantaneous voltage regulation within 20 milliseconds to handle fluctuations, sags, surges and noises, protecting sensitive electronics. It has no moving parts, high efficiency, compact size, and can handle a wide range of loads like motors and air conditioners. The document argues the SPC is more reliable, cost-effective and suitable for conditioning power for modern electronics compared to other alternatives.
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occurring in the Industrial Power Distribution system. Many such general problems if not resolved it may
lead to huge production stoppage and unforeseen equipment damages. We can improve the reliability of
Power system by simply applying the problem solving tool for every case study and finding out the root cause
of the problem, validation of root cause and elimination by corrective measures. This problem solving
approach to be practiced by every day to improve the power system reliability. This paper will throw the light
and will be a guide for the Practicing Electrical Engineers to find out the solution for every problem which
they come across in their day to day maintenance activity.
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- 1. Specifying a Medical Power Supply Medical-grade power supplies and commercial-grade counterparts look identical. But take a closer look. To find the right power supply, it’s critical to understand the differences. LONGER LIFE EXPECTANCIES Medical equipment is expected to last. Your power supply must be able to handle longer product life cycles Medical-Grade Power Supplies: What’s Different? DESIGN CYCLES Medical equipment often requires extended design cycles and collaboration with power supply vendors INTERNAL POWER SUPPLY DESIGN Medical-grade power supplies are built to meet IEC60601-1 medical equipment safety standard 01 Beyond the common volts, amps, and safety approval considerations used to select power supplies for OEM equipment, below is a checklist to simplify finding the right medical power supply for your device. The Decision Making Process 01 Define and specify the power require- ments as early as possible in the design process 02 Use a standard off-the-shelf medical power supply if possible and consider configurable solutions before jumping to a custom design option 03 Evaluate your potential supplier’s quality system ELECTRICAL REQUIREMENTS Input/output requirements DC-DC or AC-DC Input line voltage Class I (3 wire AC input) or Class II (2 wire AC input) Number of outputs Voltage and current of each output Calculate total power supply wattage by adding all the outputs’ wattage Dual fusing EMC/EMI (radiated and conducted) Efficiency Leakage (ultra-low leakage of less than 150 µA is available) Holdup time Control and monitoring functions Output wattage of each output W = V × A Watts Amps Volts 05 06 07 08 09 10 11 12 01 02 03 04 13 MECHANICAL REQUIREMENTS Physical Size L x W x H, weight Form factor or chassis type Mounting requirements Cooling, forced air, convection or conduction Thermal considerations, airflow, temperature rise Acoustic noise, especially in noise sensitive applications Electrical connections, input and output of power supplies Type of mating connectors, wiring harness, etc. Reliability: MTBF, Life and QAV Sensitivity to vibrations Ruggedized for enhanced protection from shock and vibration 05 06 07 08 08 10 01 02 03 04 Time FailureRate W L H COMPLIANCE/ ENVIRONMENTAL Advanced Energy shapes and transforms how power is used, delivered, and managed by world’s leading medical, semiconductor and industrial equipment manufacturers. With deep applications know-how across a range of medical areas such as lasers, imaging, electro surgery and life sciences, and responsive service and support, we build collaborative customer partnerships. Our solutions anticipate evolving industry developments, propel growth, and power the future of technology. ©2020 Advanced Energy Industries, Inc. FOR MORE INFORMATION, VISIT https://www.advancedenergy.com/solutions/medical-Applications/ Type B/BF Hospital/clinic/ in-home/portable/ fixed RoHS2 (Removal of Hazardous Substances) Ambient temperature requirements Altitude (operation) Airborne/ship/ ambulance WEEE (recycling) REACH Medical safeties: · IEC60601-1 · Patient contact/ vicinity (MOPP/ MOOP) 05 07 08 09 06 01 02 03 04