GB4112 Three phase capacitance and inductance tester

GB4112 Three phase capacitance and inductance tester

1Overview

Reactive power compensation capacitors are important equipment for achieving reactive power balance in power systems. The large-scale deployment of reactive power compensation equipment in the distribution network enables real-time balance between active and reactive power in the system. The reactive power compensation device should meet the requirements of automatic tracking and real-time compensation, which inevitably requires frequent switching of reactive power compensation capacitor banks. The switching operation of the capacitor bank will generate overcurrent and overvoltage impact, causing damage to the capacitors. To ensure the reliability of the equipment, early detection of capacitor defects and avoid the expansion of faults require regular testing. The capacitance inductance tester is specifically designed for measuring capacitors and reactors in reactive power compensation systems. The instrument adopts advanced measurement principles and four terminal measurement technology to accurately measure group parallel capacitors and various reactors.

GB4112 Three phase capacitance and inductance testerHigh precision, large opening clamp current transformers are used for current measurement, and a high-frequency anti-interference power supply is used for output. The testing accuracy is high, the data is stable, and it has anti-interference ability. It can be tested in a strong magnetic field environment without affecting the accuracy. It is a high-performance specialized compensation capacitor and inductance tester.

Main Features

l Adopting a high brightness 7-inch color LCD screen, the display is clear, the human-machine interface is friendly, and it is visible under sunlight.

l The instrument can measure the capacitors of a three-phase capacitor bank in one wiring without disconnecting the wires.

l The instrument has the functions of measuring inductance, resistance, and current simultaneously.

l The instrument has an overcurrent protection function.

l Built in large capacity non-volatile memory, capable of storing 512 sets of data, supports viewing and exporting.

l Built in high-precision clock, real-time display of time.

l It has USB storage function.

l Equipped with a built-in thermal printer, users can print measurement results by pressing the print button, and historical test data can also be printed using the printer.

l Integrated with RS232 interface and Bluetooth, convenient for data uploading and manipulation.

l Abnormal frequency power output (55Hz)The instrument uses a different frequency power output for testing, greatly improving the anti-interference ability on site, and can be tested in high-intensity magnetic fields without affecting accuracy; The asynchronous power supply adopts advanced inverter technology and has soft start and soft stop functions, greatly reducing the impact on the test sample and better protecting it; At the same time, the power output adopts advanced PID regulation algorithm for constant current and voltage limiting output, which further enhances the measurement accuracy and stability, and the output short circuit will not damage the instrument.

IItechnical indicators

1 technologyparameter

Test voltage: AC25V ± 10%, 50Hz;

AC1.25V±10%，50Hz 25VA。

Resolution: 4 significant digits.

Host size: 405mm × 330mm × 180mm.

Host weight: 8.5kg.