GEAR TESTING INSULATION OF POWER CABLE AND SOLID DIELECTRIC Russian patent published in 2003 - IPC

FIELD: measurement technology, test of power networks. SUBSTANCE: gear includes power supply source, resistors, high-voltage divider, generator of variable - frequency pulses, circuit controlling transistor bridge, transistor bridge, high-voltage transformer, voltage multiplier, high-voltage cable, current feedback amplifier, buffer precision amplifier, voltage feedback amplifier, meter of load current, high-voltage meter, high-voltage regulator, pickup of load current, resistor protecting multiplier against short-circuit, high-voltage divider formed by upper and lower arms of bridge connected in series. EFFECT: expanded range of measured resistance of insulation of tested object, determination of its electric strength. 2 dwg