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5Symmetra MW II 1200 kW 3 x 400/230 V Installation - 990-1979E-001
Electrical Installation
Typical UPS Wiring Principle
Power wiring overview
See separate guide on parallel operation for wiring overview in parallel systems.
Maintenance Bypass Panel (MBP)
Symmetra MW
External Bypass Static Switch
Battery Breaker Box 1
Battery Breaker Box 2
Batteries 1
Batteries 2
MAINS
6
6
9
9
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
MAINS SOURCE 3X400/230V TN-S (PROVIDED BY OTHERS).
Q1 - Q6 WITH 2NO/2NC AUXILIARY CONTACTS.
Q7, Q8 DC RATED THERMAL MAGNETIC TRIP MOLDED CASE CIRCUIT BREAKER.
WITH 24VOLT DC UNDER VOLTAGE RELEASE (UVR) AND 2NO/2NC AUXILIARY CONTACTS.
ALL AC POWER CABLING IS L1,L2,L3,N,PE.
UPS INPUT AND OUTPUT CONDUCTORS MUST BE IN SEPARATE CABLE RUNS.
UPS AND STATIC BYPASS WITHSTAND RATING, Icw = 200 KA
SEE THE INSTALLATION GUIDE FOR THE BREAKER SETTINGS OF Q1, Q3, Q4 AND Q5.
DC CABLING SHOULD BE SEGREGATED FROM AC CABLING
SEE BATTERY INSTALLATION INFORMATION
POWER WIRING AND CONTROL WIRING MUST BE SEGREGATED.
AC CIRCUIT CABLE LENGTHS (INPUT AND OUTPUT) SHOULD BE EQUAL ON ALL MODULES
DC CIRCUIT CABLE LENGTHS SHOULD BE EQUAL ON ALL MODULES
= CABLING PROVIDED BY OTHERS
INSTALLATION MUST COMPLY WITH NATIONAL AND LOCAL ELECTRICAL RULES.