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Protection concept – Sunway NT 10000 User Manual

Page 14

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Protection Concept

The micro controller continuously and

simultaneously monitors and displays the

following parameters. Numbers 1 to 3

refer to the energy units 1 to 3:

The numbering 1 to 3 refers respectively

to the performance unit 1 to 3:

98

Error No.

001

002

003

004

005

006

007

008

009

010

011

012

013

014

015

016

017

018

019

020

Description

DC overvoltage 1

DC overvoltage 2

DC overvoltage 3

Frequency fault 1

Frequency fault 2

Frequency fault 3

Overheating of heat sink 1

Overheating of heat sink 2

Overheating of heat sink 3

Grid undervoltage 1-phase 1

Grid undervoltage 1-phase 2

Grid undervoltage 1-phase 3

Grid overvoltage 1-phase 1

Grid overvoltage 1-phase 2

Grid overvoltage 1-phase 3

Grid undervoltage 3-phase

AFI fault 1

AFI fault 2

AFI fault 3

Insulation fault 1

Error

No.021

022

023

024

025

026

027

028

029

030

031

032

033

034

035

036

038

Description

Insulation fault 2

Insulation fault 3

DC injection 1

DC injection 2

DC injection 3

Isolated operation

Grid overvoltage 3-phase

Surge fault 1

Surge fault 2

Surge fault 3

Grid voltage 10 minutes mean value

> 10 percent U

nominal

1

Grid voltage 10 minutes mean value

> 10 percent U

nominal

2

Grid voltage 10 minutes mean value

> 10 percent U

nominal

3

Control circuit board 1 fault

Control circuit board 2 fault

Control circuit board 3 fault

Back-up battery empty

BP13370_NT_10000_englisch 23.11.2005 17:40 Uhr Seite 14