• No results found

on-load tap-changer transformer

Comparison Study of Different Methods of on Load Tap Changer

Comparison Study of Different Methods of on Load Tap Changer

... on-load tap changing capability, are quite commonly applied to regulated bus voltage for a long ...on-load tap changer ...on-load tap changing (OLTC) regulators have been ...

6

A Proposal of an Autonomous Voltage Regulator Controller to Apply with Future Superconductor Distribution Networks

A Proposal of an Autonomous Voltage Regulator Controller to Apply with Future Superconductor Distribution Networks

... ABSTRACT: Implementing superconductor technologies in the distribution networks can eliminate the voltage regulation and power losses issues that face the conventional networks, however, the impedance of superconductor ...

9

Effect of Solid-State on Load Distribution Transformer Tap-Changer on Power Quality Enhancement

Effect of Solid-State on Load Distribution Transformer Tap-Changer on Power Quality Enhancement

... a transformer with maximum of two secondary windings in Simulink, the transformer with several secondaries shown in Figure 6, three transformers have been used where their primaries are in ...the ...

14

Investigating the application of frequency response analysis for diagnosing tap changer on power transformer

Investigating the application of frequency response analysis for diagnosing tap changer on power transformer

... Pitting corrosion is defined as a localized corrosion by which cavities or "holes" are formed in metals such as copper, however it can also occur for human body. This type of corrosion is considered more dangers ...

43

Co-Ordination of SVC and on Load Tap Changing Transformer for Reactive Power Control in Power Systems

Co-Ordination of SVC and on Load Tap Changing Transformer for Reactive Power Control in Power Systems

... Abstract— The static var compensator (SVC) has fast response characteristic and can hold system voltage at near rated value following disturbances providing reactive power reserve with a SVC is essential to provide ...

6

Power Flow Solution with Optimal Unified Power Flow Controller

Power Flow Solution with Optimal Unified Power Flow Controller

... Shifting transformer tap changer, to optimize line impedance, minimize voltage variation and control power flow under steady state or slowly changing load ...

7

Transformer faults classification from polarization current measurement results using statistical technique

Transformer faults classification from polarization current measurement results using statistical technique

... Secara umum, kehadiran kelembapan dan lain-lain kekotoran di dalam penebat atau minyak boleh menyebabkan kerosakan pada pengubah kuasa. Polarization and Depolarization Current ( PDC ) adalah salah satu teknik untuk ...

24

Coordinate Control Strategy for Current Stabilization in an Aluminum Smelter Including on Load Tap Changer

Coordinate Control Strategy for Current Stabilization in an Aluminum Smelter Including on Load Tap Changer

... on load tap changers of transformer are triggered by the errors between the setting value of the series voltage and the measured values of the series ...

5

Microcontroller Based on Load Tap Changer for Small Power Transformer

Microcontroller Based on Load Tap Changer for Small Power Transformer

... based tap changing transformer. There are various components in tap changing transformer which are Relay driver circuit, Microcontroller unit, CT sensor, ...diagram tap changing ...

5

Transformer monitoring and on load tap changer control using programmable logic

Transformer monitoring and on load tap changer control using programmable logic

... and load tap changer control (LTC) as presented in this paper is implemented using programmable communications over optic ...to tap up, tap down, or remain unchanged should the voltage ...

8

POWER TRANSFORMER TAP SWITCHING USING SEMICONDUCTOR DEVICES

POWER TRANSFORMER TAP SWITCHING USING SEMICONDUCTOR DEVICES

... power transformer will be detected by the microcontroller which in term computes and executes necessary command instruction to be passed on to the appropriate ...semiconductor tap changer will change ...

5

SURVEILLANCE ENERGY METER

SURVEILLANCE ENERGY METER

... A relay is an electrically operated switch. Current flowing through the coil of the relay creates a magnetic field which attracts a lever and changes the switch contacts. The coil current can be on or off so relay have ...

5

Owner's/Installation Manual

Owner's/Installation Manual

...   Make sure to turn OFF both the UTILITY (NORMAL) and EMERGENCY (STANDBY) power supplies before trying to connect power source and load lines to the transfer switch and PMM. Supply voltages are extremely high ...

14

On Line Independent Tap Changing of Each Feeder Supplied by a Low Voltage Distribution Transformer

On Line Independent Tap Changing of Each Feeder Supplied by a Low Voltage Distribution Transformer

... (net) load is calcu- lated based on the rated voltage (R = V 2 ...fixed tap, and a common on-line tap for all feeders ...on-line tap are shown in Figure ...common tap setting, for which ...

7

Dual- Tap Chopping Stabilizer with Subcyclic AC Soft Switching

Dual- Tap Chopping Stabilizer with Subcyclic AC Soft Switching

... one tap to other or from one mode to ...the load [14]. This disturbance across the load is compensated by the free wheeling ...the load there by the small disturbance is ...

8

Monitoring and Controlling of Distribution Transformer Using GSM Module (AVR Microcontroller Based)

Monitoring and Controlling of Distribution Transformer Using GSM Module (AVR Microcontroller Based)

... the transformer, a current sensor is connected in series between the load and the transformer secondary terminal for sensing, the load current, output of the current sensor is then feed to the ...

9

Automatic Fault Detection and Wireless Remote Monitoring for EB Transformer using Embedded System

Automatic Fault Detection and Wireless Remote Monitoring for EB Transformer using Embedded System

... instrument transformer, used for metering purpose and protection operations in high-voltage circuits or phasor phase shift ...current transformer isolates the measuring instruments from what may be very ...

8

Analysis of Protection Scheme for a Battery Charger

Analysis of Protection Scheme for a Battery Charger

... single tap voltage output with automatic voltage regulated ac input to the charging transformer (not shown) and ensures steady voltage amplitude to the battery ...

5

Effect of No-load and Load Condition on Transformer Sound Dr. Hitesh Paghadar

Effect of No-load and Load Condition on Transformer Sound Dr. Hitesh Paghadar

... of transformer which produces sound due to magnetostriction phenomenon, vibration of windings, tank and other structural parts, and the noise produced by cooling ...Power Transformer. Also presents the ...

5

Design and Implementation of a Transformer Vandalism Monitoring System

Design and Implementation of a Transformer Vandalism Monitoring System

... This library will enable the Arduino board to do things like using a mobile Global System for Mobile Communication (GSM)-send and receive messages, and connect to the internet over General Packet Radio Service (GPRS) ...

5

Show all 10000 documents...

Related subjects