555122003 - Voltage control Course Power System II Course...

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Akramul Haque Arman Department of EEE ID: 555122003 Hamdard University Bangladesh Voltage control Course: Power System II Course Code: EEE707 Course Teacher: Md. Shaon Ahmed
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Contents: Importance of voltage control Location of voltage control equipment Methods of Voltage Control Discussion
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Why we need to control voltage in power system? The load characteristics are very sensitive to change of voltage. In case of power load consisting of induction motors ,the voltage variations may cause erratic operation. Too wide variations of voltage cause excessive heating of distribution transformers.
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Location of voltage control equipment Generating stations Transformer stations The feeders if the drop exceeds the permissible limits
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Methods of Voltage Control By excitation control By using tap changing transformers Auto-transformer tap changing
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Unformatted text preview: • Booster transformer • Induction regulator • By synchronous condenser Excitation control (i) Tirrill Regulator (ii) Brown-Boveri Regulator: Tap Changing Transformers (i) Off load Tap Changing Transformer (ii) On load Tap Changing Transformer Auto transformer tap- changing Booster transformer: Induction Regulator (i) Single-Phase induction regulator: (ii)Three-Phase induction regulator: Voltage control by Synchronous Condenser: (i)Without Synchronous Condenser (ii)With Synchronous Condenser In a modern power system, electrical energy from the generating station is delivered to the ultimate consumers through a network of transmission and distribution and it is necessary to control voltage of all the system for safety of both generator and load. Thank you ....
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  • Spring '16
  • Volt, voltage control, synchronous condenser

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