| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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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.
1. The altitude does not exceed 1000m, and the special area does not exceed 3000m;
2. Daily temperature difference: ≤25ºC;
3. Ambient temperature: -40ºC~+40ºC;
4. Maximum wind speed: 34m/s;
5. Earthquake resistance: Horizontal acceleration: 0.250g
Vertical acceleration: 0.125g
6. Ice thickness does not exceed: 10mm;
7. Relative humidity, daily average ≤95%; Monthly average ≤90%;
8. Insulator pollution grade: II, III, IV;
9. Protection level: IP5XW.
| Item Name Unit Parameters | ||||||||
| 1 | Altitude | m | 1000 | 2000 | ||||
| 2 | Temperature | - | -30ºC~40ºC -40ºC~40ºC | -30ºC~40ºC | -40ºC~40ºC | |||
| 3 | Rated voltage | kV | 252 | |||||
| 4 | Rated frequency | Hz | 50 | |||||
| 5 | Rated current | A | 4000 4000 | 4000 | 4000 | |||
| 6 | Rated short-circuit breaking current ISC | kA | 50 40 | 50 | 40 | |||
| 7 | Rated short-circuit closing current (peak) | kA | 125 100 | 125 | 100 | |||
| 8 | Rated short-time withstand current (valid) | kA | 50 40 | 50 | 40 | |||
| 9 | Rated short-circuit lasting time | s | 3 3 | 3 | 3 | |||
| 11 | Rated peak withstand current | kA | 125 100 | 125 | 100 | |||
| 12 | Close-in fault breaking current | kA | ISC 90% ,ISC 75% | |||||
| 13 | Rated out-of-step breaking current | kA | ISC 25% | |||||
| 14 | First opening coefficient | - | 1.5 | |||||
| Rated line charging on/off current | A | 160 | ||||||
| 15 | No-load transformer breaking current | A | 0.5~20 | |||||
| 16 | 1min power frequency withstand voltage (valid value) | Fracture Grounding |
kV | 460,460+145 460 |
460 460 |
460 460 |
460 460 |
|
| 17 | Lightning impulse withstand voltage(peak) | Fracture Grounding |
kV | 1050,1050+206 1050 |
1050 1050 |
1050 1050 |
1050 1050 |
|
| 18 | Rated operational sequence | - | O-0.3s-CO-180s-CO | |||||
| 19 | Operational voltage when switching/closing | V | DC220;110 | |||||
| 20 | Switching coil current | A | 1.4,2.8 | |||||
| 21 | Closing coil current | A | 1.4,2.8 | |||||
| 22 | Motor voltage | V | DC220(AC220) | |||||
| 23 | Full breaking time | ms | ≤60.0 | |||||
| 24 | Switching time | ms | 18~28 | |||||
| 25 | Closing time | ms | 75~110 | |||||
| 26 | Open-close time | ms | 50~60 | |||||
| 28 | Close-open time | ms | 300.0 | |||||
| 29 | Synchronizing switching | ms | ≤4.0 | |||||
| 30 | Synchronizing closing | ms | ≤3.0 | |||||
| 31 | Route | mm | 230.0 +2.0/-5.0 | |||||
| Contact route | mm | 45.0 2.0 | ||||||
32 |
SF6 Gas temperature(20ºC) | Rated pressure Alarm pressure Blocking pressure |
MPa |
0.60 0.55 0.50 |
0.60 0.35 0.30 |
0.60 0.55 0.50 |
0.60 0.35 0.30 |
|
| 33 | SF6 Gas annual leakage rate | % | ≤0.5 | |||||
| 34 | Gas moisture content Acceptance value Operation value |
ppm(v/v) | ≤150 ≤300 |
|||||
| 35 | Main loop resistance | μΩ | ≤55.0 | |||||
| 36 | Radio interference level | μV | <500 | |||||
| 37 | Mechanical life | Time | 10000 | |||||
| 38 | Electric life | Time | 16 | 20 16 | 20 | |||
| 39 | SF6 weight inhalled in each breaker | kg | 35 | |||||
| 40 | Weight (each) | kg | 5500 | |||||
1. Strong breaking ability, high mechanical reliability, long electrical life;
2. Reliable sealing system;
3. Equipped with hydraulic spring operating mechanism, the mechanism has fast action speed and large output power. Smooth operation, reliable performance;
4. Reasonable speed characteristics: the speed characteristics of the product are optimized and matched, and a reasonable speed curve is selected, which not only ensures the breaking ability of the product, but also ensures the small motion quality, and achieves the purpose of matching the low-power operating mechanism;
5. The transmission part adopts "Z" shape structure, stable and reliable transmission;
6. Simple structure;
7. Strong carrying capacity;
8. Good insulation performance;
9. Reliable sealing structure;
10. Low noise operation;
11. Convenient on-site installation, less operation and maintenance.
After-sales Service
1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.
2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.
3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!
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