- Circuit Breakers[7]
- Contactors[8]
- Electrical Plugs & Sockets[7]
- Generator Parts & Accessories[1]
- Other Electrical Equipment[6]
- Power Distribution Equipment[2]
- Voltage Regulators/Stabilizers[4]
- Relays[7]
- Transformers[8]
- Power Cables[1]
- Integrated Circuits[3]
- Current Meters[2]
- Voltage Meters[6]
- Temperature Instruments[7]
- Shaft Couplings[4]
- Contact Person : Ms. liu ling
- Company Name : Yueqing Junwei Electric Co., Ltd.
- Tel : 86-0577-62870352,18958716822
- Fax : 86-0577-62895580
- Address : Zhejiang,Yueqing,Jinlu Industrial zone baixiang North Town Yueqing City
- Country/Region : China
- Zip : 325604
current transformer
Rated current ( a ) side ) for line during normal operation load current of 1 ~ 1.3 times. ( 2) rated voltage. Should be 0.5kV or 0.66kV. ( 3) note that precision grade. If used for measuring, should choose precision grade 0.5 or grade 0.2; if the load current changes, or normal operation when the load current is less than current transformer primary side current rating of 30%, should use level 0.5. ( 4) according to the need to determine the ratio and the number of turns. ( 5) specifications selection. According to the power supply line of a load current to determine the ratio, according to the actual installation conditions determine the model. ( 6) rated capacity selection. The current transformer two rated capacity than the actual two actual two load, load should be 25 ~ 100% two times the rated capacity. Capacity decision two side load impedance, the load impedance and impact measurement or control precision. The load impedance is mainly affected by the measuring instrument and the relay coil resistance, contact resistance, reactance and wiring two connected to the resistive wire effect.
current transformer
