µMPS4000 series substation comprehensive automation system technology and use manual is the product manual of µMPS4000 series substation comprehensive automation system, mainly introduces the characteristics and features of the product, technical indicators, protection principle and function description, value and parameter description, device structure and wiring terminal diagram, panel display operation function description and other content.
The μMPS4000-130C is a microcomputer‑based directional line protection device for 6–66 kV systems. It provides multiple protection functions such as directional voltage‑current protection, low‑frequency protection, ground fault alarm, reclosing, and pulse energy measurement, with a high‑speed fault recorder and a 240×128 LCD display.
The manual details hardware structure, wiring diagrams, panel operation, parameter settings, calibration procedures, and troubleshooting steps, including password handling, SOE record queries, and remote switching functions. This manual is written in Chinese.
| Operating temperature range | -50 °C to +400 °C |
|---|---|
| Relative humidity range | 5 %–95 % |
| AC power supply voltage | 220 V ±20 % |
| Maximum power consumption | ≤10 W |
| Voltage measurement accuracy | ±0.2 % |
| Frequency measurement accuracy | ±0.02 Hz |
The device can operate from –50 °C up to +400 °C.
The protection unit consumes no more than 10 W.