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Specification

 Generalinstruction

      SGE2000 Series Microcomputer Relay ProtectionDevice is designed for substation, distribution station, and ring main unit. Itperfect protects 35kv and less 35kv overhead line, power cable, transformer andelectric motor. The advantages of SGE2000 are complete functions, small volume,high integration level, strong anti-interference, anti-adverse environment, candirectly install onto the switch cabinet.

 Features

²  LCDdisplay, multilayer menu structure, rich of display content, simple and visualoperation.

²  Adoptsindustrial class single chip design, strong ability for anti-interference.

²  Protectionalgorithm mature and stable, operation reliable.

²  Protectionfunction can be set up flexible to adapt various of complicated workenvironment.

²  Adoptslarge capacity iron electrical memory, can record 100 time history events,content in detail, data not loss when power down.

²  Perfectself-inspection function, online monitor the operate condition of each moduleto ensure work reliability of the device.

²  Adoptsthe watch dog of hardware and software simultaneously to avoid the devicesystem halted in all conditions.

²  Providesisolated RS485 communication interface and open communication protocol.

²  Welldesigned, small volume and easy installation.

 Specification

²  Environmenttemperature:  -20℃- 60℃

²  Storage temperature: -40℃-85℃

²  Relative humidity: 5% - 95%

²  Atmospheric pressure: 70KPa – 110KPa

²  Altitude height: no more than 3500m

²  AC voltage: 100V/200V

²  AC current: 5A or 1A.

²  Frequency: 35Hz ~ 65Hz.

²  Power supply: AC220(110)V, ±20%, DC220 (110) V,±20%,DC48V±20%, DC48V, ±20%

²  Power consumption: power no more than 5w, AC input circuitno more than 0.5VA/circuit.

²  Measurementscope: voltage 0.01Un- 2Un, current 0.1In - 20In, zero sequence current 0.01A - 10A

²  Measure accuracy: voltage<0.5%, current<0.5%, zerosequence current<0.005A