This manual provides installation, operation, and protection settings for the Skypower DSI5151 motor protection and measurement unit.
The DSI5151 motor protection and measurement unit is designed for 3 kV ~ 10 kV medium‑high voltage asynchronous motors. It complies with IEC 61850‑7‑4 modeling requirements and supports IEC 61850 and IEC 60870‑5‑103 communication protocols. The device can be installed in switchgear cabinets or as a standalone screen unit.
The unit offers a wide range of protection functions (fast‑trip, over‑current, inverse‑time, long‑start‑time, negative‑sequence, overload, over‑heat, zero‑sequence, grounding, over‑voltage, low‑voltage, internal protection, TV/TA line‑break detection) and measurement capabilities, with a programmable graphical interface, dual‑Ethernet, and optional optical fiber links. It includes a high‑performance VxWorks‑based CPU, LCD display, and up to 18 programmable indicator LEDs. This manual is written in Chinese.
| Rated DC Voltage | 220 V or 110 V (order specified) |
|---|---|
| Rated AC Voltage | 100 V / 3 V or 100 V |
| Rated AC Current | 5 A or 1 A (order specified) |
| Frequency | 50 Hz |
| Output Contact Capacity | DC 220 V, 5 A (non‑arc) |
| Insulation Resistance | ≥100 MΩ |
| Storage Temperature | -25 °C ~ +70 °C |
| Relative Humidity | ≤95 % non‑condensing |
The unit can be powered from a DC source of 220 V (or 110 V) and operates on an AC supply of 100 V (or 100/3 V) with a rated current of 5 A (or 1 A), as specified on the order.