series of lightning impulse voltage divider 1 High range: 0~ 300kV/ 0^ 400kV^ 10000kV; highest impulse voltage lightning pulse; 2 apply to high-voltage transmission lines of 35kV^ 1000kV....
Warmly congratulate our company as the only company on winning the award China Famous Brand of the State Grid electricity power testing industry. The award is well-known by the Electric Power....
.1 Useage of Equipment: HRHLZ Direct current shunt, is used to test the following current 10kA DC shunt, DC current sensor, a DC current transformer device. 1.2 Features and Configuration of HRHLZ....
Power supply box is mainly for construction work in the field test equipment or instrumentation other occasions there is a demand to provide multi-channel distribution operation of the test power.....
Introduction: It is a kind of contact ratio autotransformer which can adjust load voltage within rated voltage. This series of products are well designed because they adopt UK imported A brush for....
Instructions I have developed HREC - 2 high-pressure check appliances, it is to choose saepaper 2000 enterprise produced three ball brand moistureproof insulation lever, conform to the IEC/ IC78....
It is mainly used as the power source of the electric loading request and power & electric isolation for power system and industrial enterprises, which can transform alternating current into....
Fetures Mainly used in power for uhv transmission lines insulator the insulation resistance of the field test, in order to discover in time and replace the insulation resistance does not accord with....
Features HRWG - 15 type gauge is mainly used in ac line 1 ~ 500kV charged measuring line of the tower of the distributed voltage insulator string value and operation condition, low value and zero....
Power system check phase is a regular work. The traditional fixed phase method adopts high voltage PT or high-pressure check appliances, the former equipment cumbersome and high-voltage lead down to....
automatic capacitance tester is a bridge in reactive compensation devices, under the guidance of an expert working group for substation field measurement parallel capacitor group of the single....
It meets the whole requirements of GB/ T1459^ 93 to test the virtual value, and positive , reverse and zero sequence component of current and voltage Measuring area: content of voltage harmonic, ....
The main technical indexes Measuring method of phase: either two lines U-U U-I I-I Measuring precision of phase: 0.2 grade U( U-I method) , 10mA^ 10A divided into 4 grades I( on-line....
It can be used for calibrating the frequency, synchronous current, and voltage for AC devices and meters with single phase. Output voltage: 0^ 450V 50W Stability: 1 Measuring precision of....