عرض تقديمي1
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This document discusses different forms of electricity production including solar, wind, geothermal, fuels, and bio-energy. It then covers transformers, including their components, types (step-up and step-down), cooling methods, and losses. The document also discusses substation busbar systems including single bus, double bus double breaker, and their advantages and disadvantages.
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1. This is a seminar report submitted by a diploma student on their practical training at the 220kV GSS Mansarovar substation in Jaipur.
2. The substation receives power via incoming feeders from nearby locations and distributes it through outgoing feeders to various locations at 132kV and 33kV levels.
3. The report provides details of the equipment and components at the substation, including busbars, isolators, insulators, protective relays, circuit breakers, transformers, current/potential transformers, and more.
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Electric traction involves using electric power for traction systems like railways and trams. There are different types of electric traction systems including DC, AC, and composite systems. Electric traction provides advantages like high starting torque, easy speed control, and lower operating costs compared to diesel systems. Some examples of electric traction include electric locomotives, trams, and electric trains. Key components of electric traction systems include the overhead lines or third rails that provide power, traction motors, and current collectors that draw power from the overhead lines.
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Er.Amit Chaurasiya studies at Azad Technical Campus Lucknow.All slide make very clear and easily understood suitable for Electrical Engineering students. I hope you will easily understand.
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This document discusses slip power recovery in induction motors using static Kramer and Scherbius drives. It provides details on:
1. The conventional Kramer system controls motor speed by injecting a voltage into the rotor circuit at the slip frequency. This allows increasing or decreasing the rotor resistance to control speed.
2. Static Kramer drives only allow sub-synchronous operation while Static Scherbius drives allow both above and below synchronous speeds.
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An electrical control panel contains electrical components that control and protect motors and equipment. It includes (i) an enclosure, (ii) an incomer switch, (iii) protection devices like circuit breakers, (iv) indicators, (v) push buttons, and (vi) metering devices. The selection of components depends on the power rating, supply, explosion rating, and application of the equipment. The enclosure holds the components and protects against environmental factors and electrical shock.
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This document discusses traction motors used in electric rail vehicles. It covers the requirements of traction systems including high starting torque and withstanding overloads. DC series motors are well suited due to developing high torque at low speeds. Speed can be controlled through methods like armature voltage and current control. Modern control uses pulse width modulation and regenerative braking returns energy to the supply system. Recent trends include use of multilevel converters for smooth waveforms and reduced harmonic losses.
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This document discusses overhead electrification on Indian Railways. It provides details on:
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This document summarizes various methods for controlling the speed of three-phase induction motors. It discusses that induction motors are commonly used in industry due to their low cost and rugged construction but operate at constant speed. Various speed control methods are then outlined, including stator voltage control, stator frequency control, and stator current control. V/F control is also explained in detail along with its advantages for providing efficient motor speed control. The document concludes by discussing applications in industry and topics for further research.
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This presentation deals with various aspects of voltage stability and various tools to analyze and stabilize voltage.
ppt on gss
1. This is a seminar report submitted by a diploma student on their practical training at the 220kV GSS Mansarovar substation in Jaipur.
2. The substation receives power via incoming feeders from nearby locations and distributes it through outgoing feeders to various locations at 132kV and 33kV levels.
3. The report provides details of the equipment and components at the substation, including busbars, isolators, insulators, protective relays, circuit breakers, transformers, current/potential transformers, and more.
Electrical traction
Electric traction involves using electric power for traction systems like railways and trams. There are different types of electric traction systems including DC, AC, and composite systems. Electric traction provides advantages like high starting torque, easy speed control, and lower operating costs compared to diesel systems. Some examples of electric traction include electric locomotives, trams, and electric trains. Key components of electric traction systems include the overhead lines or third rails that provide power, traction motors, and current collectors that draw power from the overhead lines.
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Er.Amit Chaurasiya studies at Azad Technical Campus Lucknow.All slide make very clear and easily understood suitable for Electrical Engineering students. I hope you will easily understand.
MajorProject2016
The document discusses transient stability analysis of a multi-machine power system. It analyzes the system using series and shunt Flexible AC Transmission System (FACTS) devices. The analysis is performed on the WSCC 9 bus system in MiPower and MATLAB software. Various FACTS devices including STATCOM, SVC, TCSC and SSSC are studied to understand their effects on improving the transient stability of the power system. Load flow and transient stability analyses are conducted on the system without and with different FACTS controllers to evaluate their comparative effectiveness.
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عرض تقديمي1
- 1. Welcome
- 3. Forms of electricity production 2-wind1-sun
- 8. Transformers What is an Electric Transformer? The transformer is a static device that consists of one, two or more windings which are magnetically. It transfers the electrical energy from one circuit to the other by electromagnetic induction principle.
- 9. Video ا https://www.youtube.com/watch?v=w9ugMmr CTg0 How dose the transformer work
- 10. Classification of Transformers •Transformers are classified into two types based on the conversion of voltage level. These are step-up and step-down transformer. These are step-up and step-down transformers.
- 11. Step-up Transformers In step-up transformer, the secondary voltage is more than the primary voltage. This is due to the lesser number of coils in the primary compared to the secondary. This type of transformer is used to raise the voltage to a higher level. These are used in transmission systems and are rated at higher power levels
- 12. Step-down Transformers In step-down transformer, secondary voltage is less than the primary voltage due to the less number of turns in the secondary winding. so, this type of transformer is used to reduce the voltage to specified levels of the circuit. . These types of transformers are used in (power transformers) and in (electronic transformers).
- 14. Worksheet
- 15. Cooling methods of Transformers Transformer can be divided in two types as : •(i)Dry type transformers 1-Air Natural(AN). 2-Air Blast.
- 16. Cooling methods of Transformers (ii)oil immersed transformers 1-Oil Natural Air Natural (ONAN) 2-Oil Natural Air Forced (ONAF) 3-Oil Forced Air Forced (OFAF) 4-Oil Forced Water Forced (OFWF)
- 17. losses in transformer The transformer has no moving parts and hence the mechanical losses are absent in it. Hence, the losses in the transformer are considered as electrical energy losses. Two types of electrical losses are exist in a transformer which are core losses and copper losses.
- 18. substation bus-bar systems There are many different electrical bus system schemes available but selection of particular scheme depends on: (a) the system voltage. (b) a position of substation in electrical power system. (c) Flexibility needed in system and cost. (d) Simplicity of system.
- 19. Single Bus System Single Bus System is simplest and cheapest one. All the feeders and transformer are connected to only one single bus. Reliability of the single bus configuration is low. Advantages of Single Bus System: 1-simple in design. 2-low cost. 3-easy to control. Disadvantages of Single Bus system: Low reliability.
- 20. Double Bus Double Breaker System Any circuit breaker can be removed for maintenance without interruption of the corresponding circuit. Advantages of double Bus double breaker System: 1-If we have Damage can feed from anther bus. 2-it has high reliability. Disadvantages of double Bus double breaker system: It is costly and need more space.
- 21. A station immersed in oilAir Station
- 22. Application