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33 kV substation, Perunad is a transmission part of Kerala State Electricity Board, a public sector agency of under the Government of Kerala, India, that transmits the electricity supply in the state. Established in 2012, the agency comes under the authority of the Department of Power. Perunad Substation inaugurated by Minister Aryadan Muhammed.
The TANTRANSCO maintains all the substations in Tamil Nadu apart from the Power Grid Corporation of India Limited (PGCIL). These substations fall under one of the following categories: 400/230 kV substations. 230/110 kV substations. 110 kV substations. 33 kV substations. less than this kV transmissions as 22 kV and 11 kV are used for distribution.
Most of the world uses 50 Hz 220 or 230 V single phase, or 400 V three-phase for residential and light industrial services. In this system, the primary distribution network supplies a few substations per area, and the 230 V / 400 V power from each substation is directly distributed to end users over a region of normally less than 1 km radius.
33 kV, 22 kV & 11 kV transmission lines, Sub-stations and Distribution Transformers spread over 3.08 lakh km 2 geographical area of Maharashtra covering 41,928 villages and 457 towns. It has 2680 sub-stations & Switching Stations with 49,000 MVA of transformation capacity, 10,334 HV feeders, and several thousand circuit km of HT and LT lines.
TGSPDCL has a vast infrastructure facility in its operating area with 1,605 Nos. of 33/11 KV substations 3,102 Nos. of power transformers, 1,220 Nos. of 33 KV feeders 7,263 Nos. of 11 KV feeders and around 4,22,003 Nos. of distribution transformers of various capacities.
The first step in planning a substation layout is the preparation of a one-line diagram, which shows in simplified form the switching and protection arrangement required, as well as the incoming supply lines and outgoing feeders or transmission lines. It is a usual practice by many electrical utilities to prepare one-line diagrams with ...
The high-voltage (400 kV and 275 kV) electricity substations in the United Kingdom are listed in the following tables. The substations provide entry points to, and exit points from, the National Grid (GB) or Northern Ireland Electricity Network. Entry points include power stations, major wind farms and inter-connectors from other countries and ...
A diagram of an electric power system. The transmission system is in blue. Most North American transmission lines are high-voltage three-phase AC, although single phase AC is sometimes used in railway electrification systems. DC technology is used for greater efficiency over longer distances, typically hundreds of miles.