Substation Distribution Transformers
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of substation distribution transformers in China. If you're going to buy customized substation distribution transformers made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.
Substation distribution transformers have cover-mounted primary and secondary bushings and can be provided with load tap changers (LTC). They are generally connected directly to overhead utility power lines.
Unit substation distribution transformers are generally closely coupled to switchgear, motor control, bus duct, or another type of incoming and outgoing equipment.
Distribution Substation Transformer Parameters
|
(kVA) Rated Power |
(kV) High Voltage |
(kV) Low Voltage |
(W) No-load loss |
(W) On-load loss |
Connection Symbol |
Short Circuit Impedance |
Reference Dimension (W*H*D) mm |
Reference Weight kg |
| 800 | 4.16 12.47 13.2 13.8 14.4 23 24.94 34.5 34.8 44 or others |
208/120 415/240 480/277 400 600 12000 12470 13200 13800 or others |
980 | 9350 | Dyn1 Ynyn0 Dyn11 Dd0 Ynd11 or others |
2.7 3.1 4.35 5.75 6.0 |
1060*1500*1780 | 2050 |
| 1000 | 1160 | 11500 | 1085*1570*1800 | 2450 | ||||
| 1250 | 1380 | 13900 | 1160*1610*1890 | 2900 | ||||
| 1600 | 1660 | 16600 | 1190*1630*1950 | 3400 | ||||
| 2000 | 2030 | 18300 | 1260*1700*2090 | 4100 | ||||
| 2500 | 2450 | 19600 | 1150*2150*2250 | 4750 | ||||
| 3000 | 3240 | 26500 | 1900*2600*2150 | 6500 | ||||
| 5000 | 4500 | 27000 | 2500*2210*3180 | 9500 | ||||
| 7500 | 7200 | 32000 | 3660*3100*5100 | 13600 | ||||
| 10000 | 8500 | 35500 | 3830*2640*2216 | 15800 |
Main Components of a Distribution Substation
A distribution substation is made up of the following components:
Supply Line: A supply line, commonly known as a primary feeder, is used to connect a distribution substation to a sub-transmission system.
Transformers: Transformers are used to step-down the supply line voltage to distribution level voltage. Three-phase transformers are generally used but the number can vary depending on the distribution substation design and the importance of the end consumer.
Busbars: Busbars, also known as buses, are used for carrying large currents and distributing them to multiple circuits inside the switchgear.
Switchgear: Switchgear is made up of primary switching, interrupting devices, as well as control and regulation equipment.
Outcoming Feeders: Power from the substation to points of service is carried by outcoming feeders.
Switching Apparatus: Fuse, switches, service protectors, and circuit breakers make up the switching apparatus. These are used to connect or disconnect the system power elements to or from other system elements.
Surge Voltage Protection: Surge voltage protection is used to protect power systems from overvoltage.
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