| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Single-column Disconnector |
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Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.
| Item | Unit | Parameter | ||
| Rated voltage | kV | 126 | 252 | |
| Rated peak withstand current | kA | 100 | 125 | |
| 3s Rated short-time withstand current | kA | 40 | 50 | |
| Rated short-time power frequency withstand voltage (Valid value) | Grounding | kV | 230 | 460 |
| Fracture | 265 | 530 | ||
| Rated lightening impulse withstand voltage (peak) | Grounding Fracture |
kV | 550 630 |
1050 1200 |
Support insulator creepage distance |
III | mm/kV |
25 | 25 |
| IV | 31 | 31 | ||
| Longitudinal | 1000 | 2000 | ||
| Rated mechanical load of terminals | Horizontal | N | 750 | 1500 |
| Vertical | 1000 | 1250 | ||
| Earthing switch Electromagnetic coupling | Rated induced current | A | 50 | 80 |
| Rated induced voltage | kV | 0.5 | 1.4 | |
| Induced current | Rated induced current | A | 0.4 | 1.25 |
| Opening and closing ability test Electrostatic coupling | Rated induced voltage | kV | 3 | 5 |
| Mechanical life | Time | 3000 | 3000 | |
| Support insulator bending failure load | N | 6000 | 8000 | |
| Monopole weight of earthing switch | kg | 110 | 230 | |
| Radio interference level | μV | ≤2000 | ≤2000 | |
1. 1. Altitude does not exceed 2000m
2. Ambient temperature: -40ºC~+40ºC
3. Maximum wind speed: 34m/s
4. Earthquake resistance: horizontal acceleration: 0.250g
Vertical acceleration: 0.125g
5. The ice thickness shall not exceed: 10mm
6. Insulator pollution level: III(25mm/kV), IV(31mm/kV)
7. The installation site is free of inflammable, explosive, chemical corrosion and other harmful substances, and there should be no frequent and violent vibration.
8. Solar radiation does not exceed 1000W/m2(noon on sunny days).
Please specify the following items when ordering:
1. Isolation switch model and specification.
2. Rated current, rated short time and peak withstand current.
3. Anti-pollution level, altitude.
4. Please indicate whether to install a ground knife, which side to install a ground knife, and whether to install a magnetic lock.
5. Motor voltage, control voltage, auxiliary switch pole number of electric actuator.
6. If there are any special requirements, please explain in advance to avoid mistakes in delivery.
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