Audited Supplier
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.
kV, 50 or 60 Hz system. Capacitive voltage divider could be also used as coupling capacitor for the electric power line carrier communication.
Standards:
IEC 61869-1; IEC 61869-5
GB 20840.1; GB 20840.5
1.It consists of capacitor voltage divider and electromagnetic unit.
2. The capacitor divider is made up of one or several coupling capacitors in series.
3. HV.terminal is at top of capacitor divider. Medium and low voltage terminal are in electromagnetic unit leading from porcelain housing onto electromagnetic unit.
4. The electromagnetic unit consists of neutral transformers, compensation reactor and damper which are sealed by oil in the tank,volume of oil and internal pressure are adjusted by air at top of tank.The regulating coil alongside the primary coil can regulate voltage error. Compensation reactor's regulating coil can regulate error of phase. Secondary winding come out from terminalbox in front of tank.
5. The products in filled with oil and sealed, it needn't filter oil or change oil. Keep in mind not to destroy sealing of capacitordivider.If it has to sample oil,please refill equivalent oil in time. It needn't sample oil as normal operating,otherwise it will cause harmful effect.
6. The capacitordivider can bear most of high voltage impulse with high insulation level.
7. The capacitor divider could be also used as coupling capacitor for the electric power line carrier communication.
8. The product is a capacitive type that won't produce the power frequency resonance and ferro-resonnance in power system.
9. Advanced fast-saturable reactor damping technology. It could restrain the ferro-resonnance quickly and eficiently,and also ensure the transient response performance
10. All adopted insulation parts are environmentalprotection material.
11. Secondary terminal board is made of epoxy casting,the seal performance is more reliable.
12. The base uses spray painting or hot galvanizing, which gives a high degree of corrosion resistance.
13. Fastenersand nameplate are stainless steel.
| Rated primary voltage, kV | 33 or 35 | 66 or 69 | 110 or 115 | 132 or 138 | 150 | 220 or 230 | |
| Highest voltage for equipment,kV | 40.5 | 72.5 | 123 or 126 | 145 | 170 | 245 or 252 | |
| Rated frequency,Hz | 50 or 60 | ||||||
| Rated power frequency withstand voltage,kV | 95 | 140/160 | 230 | 275 | 325 | 460 | |
| Rated lightning impulse voltage,kV | 200 | 325/350 | 550 | 650 | 750 | 1050 | |
| Flashover distance,mm | 385 | 780 | 1050 | 1300 | 1300 | 2000 | |
Cree.distance,mm | W1:810 W2:1020 W3:1260 | W1:1450 W2:1820 W3:2250 | W1:2520 W2:3150 W3:3910 | W1:2900 W2:3630 W3:4500 | W1:3400 W2:4250 W3:5270 | W1:5040 W2:6300 W3:7820 | |
| Mechanical load,N | 1250 | ||||||
Rated output,VA | 1a-1n:0.2 | 50 | 100 | 100 | 100 | 100 | 100 |
| 2a-2n:0.5 | 50 | 100 | 150 | 150 | 150 | 150 | |
| da-dn:3P | 100 | 100 | 100 | 100 | 100 | 100 | |
| Thermal limiting output,VA | 1000 | ||||||
| Rated voltage factor | 1.2/continuous;1.9/8h(33~69kV) 1.2/continuous;1.5/30s(110~230kV) | ||||||
| Item | C1 | C2 | N | P | T | ID | L | BE | 1a,1n | 2a,2n | da,dn |
| Name | HV capacitance | MV capacitance | LV terminal of CYD | Protection gap | Intermediate transformer | Doupling device | Compensating reactor | Surge arrester | Main secondary winding 1# | Main secondary winding 2# | Auxiliary secondary winding 3# |
| No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Name | Base | Oil drain valve | Hook | Earthing bolt | Terminal outlet hole | Terminal box | Nameplate | Oil level gauge | Oil filler hole | Electrimagnetic unit | Capacitor dividers | Primary terminal |
| QTY | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
1. Ambient temperature:-50ºC- +45ºC
2. Altitude:≤2000m(If above 2000m,the product will be customized according to user's request)
3. Pollution level: II, III, IV.
