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Guodian NARI NSP788 microcomputer integrated protection

2021/6/30 15:37:20 Source: Hangzhou Hangrui Power Automation Co., Ltd Views: one hundred and seventeen

Guodian NARI NSP788 microcomputer integrated protection

one point one Scope of application
NSP788 The line protection measurement and control device is applicable to 110kV In indirectly grounded or low resistance grounded systems with the following voltage levels
The line and feeder protection and measurement and control devices can be installed in the switch cabinet in a decentralized manner or in the control room in a centralized group of screens.
one point two Function configuration
1.2.1 Protection function
1) Three sections of overcurrent that can be blocked by complex voltage and direction (the third section can be set as inverse time limit mode)
2) Two section zero sequence overcurrent (zero sequence current can be self generated or external)
3) Overcurrent acceleration
4) Zero sequence overcurrent acceleration (zero sequence current can be self generated or external)
5) Overcurrent charging protection
6) Zero sequence overcurrent charging protection (zero sequence current can be self generated or external)
7) Overload alarm
8) Low cycle load shedding
9) Low voltage load shedding
10) Three phase primary reclosing
11) Small current grounding line selection (zero sequence current can be self generated or external)
12) Synchronous closing function (remote closing or manual closing);
13) Reverse power protection
14) FC Overcurrent lockout
15) Low voltage disconnection
16) a bus or bus bar PT Disconnection alarm
17) line PT Disconnection alarm
18) Separate operating circuit
19) Fault recording

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Hangzhou Hangrui Power Automation Co., Ltd

Building Materials General

six year

Certified
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    Others

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    Production and processing

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  • Main business:

    Guodian Nanzi, Guodian NARI, Changyuan Shenrui, NARI relay protection microcomputer protection device

  • Address:

    Jianggan District, Hangzhou, Zhejiang

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