Power harmonic Alarm 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, distortion factor of phase-angle and current voltage Virtual value of current harmonics, distortion factor of phase-angle and...

Product technical description 1 High range: 0～300kV/0～400kV/0～10000kV; highest impulse voltage lightning pulse; 2 apply to high-voltage transmission lines of 35kV～1000kV distribution power system lightning online monitoring; 3 pulse bandwidth: 30MHz the the lightning wave head time response resolution of less than...

Direct current shunt, is used to test the following current 10kA DC shunt,DC current sensor, a DC current transformer device. Features and Configuration of HRHLZ: Requires at least 600A power DC constant current source, 10 kA stabilized DC power source, power DC constant current source with over-voltage, over current, short circuit, overheating...

Type Local Discharge Ultrasonic Automatic Positioning Device The failure testing and positioning of operating the medium and large sized transformers have always been the points that electrical engineers focus for a long time. The HRJFD-2A system, manufactured in the large-sized transformer local discharge ultrasonic position method and...

Type Portable Cable Fault Locator This is used for locating various faults of the cables for the city cable, high frequency communication cable, buried cable and medal overhead cable line. The faults include open circuit, short circuit and poor contact. It also can be used to telemetry the position of the fault, including the leak...

Power Frequency Signal Generator 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 frequency: 0.1 grade Measuring precision of voltage: 0.2 grade Range of frequency: 35～75Hz ...

Lightning impulse voltage generator testing device ★ Digital impulse voltage (current)waveform recording system for measuring and analyzing ★ GIS oscillation operation wave and steep wave experimental instrument ★ Reform of the impulse voltage (current) generator instrument There are whole sets of experimental instruments for...

Lightning impact of current generator testing device Series of Experimental Instruments for the Impulse Current Generator Arranged in Star-shaped and straight lines forming 6 standardized impulse waveforms Rated current：5-200kA Square wave current：2000A Rated capability：50-240kJ Capacitance：8-12 Rated...

Automatic lightning impact test measurement system SGSC-100kV～1400kV Series sets of lightning impulse voltage generator, automatic test system devices HRHG-SGSC-200kV～2000kV Lightning impulse voltage generator sets of automatic test equipment system installed For the ultra-small portable compact structure, loop inductance and only a...

Automatic control system lightning impact test Controlling system of measuring automatic power frequency, DC and...