MOEORW-WPD-F1 Hand-held Partial Discharge Detector

The high-precision portable fully digital partial discharge (PD) acquisition and analysis system adopts fiber optic isolation technology, which has strong anti-interference capabilities, high measurement accuracy, and integrates dual functions of partial discharge detection and cable fault location.

The partial discharge measurement sampling rate is 16MHz, the cable positioning is 80MHz, and the detection impedance bandpass range is 19KHz~4MHz±10%.

It is suitable for acceptance/preventive testing of high-voltage electrical equipment such as main transformers, switches, and cables in power systems, enabling partial discharge detection and precise location of cable faults.

Product Introduction

The MOEORW- WPD-F1 partial discharge (PD) test set is a high-precision, modular, fiber-isolated, fully digital portable partial discharge acquisition and analysis system. It consists of an impedance detection unit, a main acquisition unit, optical fiber, and an optical transceiver. It integrates the latest digital signal acquisition and processing technologies. Its high-resolution digital processing technology and optical fiber isolation technology can provide very high measurement accuracy in harsh environments.

Product Parameter (specification)

1.Main acquisition unit

Interface

Power interface: 6-12VDC (<6W), lockable quick-connect type;
Fiber optic interface: Supports gigabit network access;
Input interfaces: voltage input signal, partial discharge input signal, square wave output signal (optional).

indicator lights

1XLED;
Solid light or flashing (power indicator, communication indicator);
Flashing every 15 seconds (no connection established with the host computer).

Environmental conditions

Operating temperature: -10~60 degrees Celsius;
Storage temperature: -10~70 degrees Celsius;
Humidity: ≤90% - No condensation.

Partial discharge input

Sampling rates: 16MHz for partial discharge measurement, 80MHz for cable positioning;
Input impedance: 50Ω/120Ω;
Maximum input amplitude: 50V peak-to-peak;
A/D: 14bit, 80MS/s;
Dynamic range: Approximately 62 dB in total;
Range control: X0.04, X1, X5, X25, X125, X250, X1250;
Self-noise is less than 30uV.

Voltage input

Frequency range: 45Hz-1kHz;
Input impedance: 1MΩ;
Maximum voltage: 50VRMS;
A/D: 24bit, 20kHz.

Square wave output (optional)

Output frequency: 600Hz;
Output waveform: Tt≤60nS, 100nS＜Ts＜200nS;
Output levels: ±10pC/20pC/50pC/100pC/200pC.

Battery

Charging input: 8.4V/5A;
Battery output: 7.4V/15Ah;
Power adapter: 8.4V/5A (can be used directly as the host power supply)

Note: If the battery is not used for a long period of time, please store it at full charge and recharge it once every 3 months.

Communication interface

Gigabit Ethernet LAN interface
SFP fiber optic interface
Receiver USB 2.0;

Detection impedance

Rated current: 0.5A;
Bandpass range: 19kHz~4MHz ±10%;
Low-voltage arm output voltage: ≤50VRMS (If this voltage is exceeded, please increase the internal low-voltage arm capacitor).

Product feature and application

High-precision all-digital design, modular design, fiber optic isolation for interference resistance, and high measurement accuracy;

Portable, integrating the latest digital signal acquisition and processing technology, and suitable for harsh testing environments;

It boasts excellent sampling performance, with partial discharge measurement at 16MHz and cable positioning at 80MHz, a 14-bit high-resolution A/D converter, and a dynamic range of approximately 62dB.

It has comprehensive functions, supports partial discharge detection and cable fault location, can generate multiple types of test reports, and the data can be exported;

It has good hardware and software compatibility, rich software interface functions, supports multi-waveform display, spectrum analysis, trend recording, hardware multi-interface compatibility, and flexible power supply.

It is easy to calibrate, has controllable noise floor, and has a complete partial discharge calibration process, which can effectively avoid interference affecting test accuracy.

Prodection details

PD test sets is suitable for acceptance testing and preventive testing of high-voltage electrical equipment such as main transformers, switches, surge arresters, and cables in power systems. It can detect partial discharge problems in equipment on site and also supports cable fault location.