12
Ø
Rectifier switch -- the breaker controls the rectifier
’
s input. Meanwhile it protects the rectifier: the breaker
cuts when the rectifier is over current.
Ø
Bypass switch -- the breaker controls the bypass
’
s input and protect the bypass meanwhile. The breaker
cuts when bypass circuit is over current.
Ø
Battery
’
s switch -- the breaker controls the battery
’
s input and protects the battery group meanwhile. The
breaker cuts when battery group is over current.
Ø
Input switch -- the breaker controls the UPS
’
s AC output and protects the output meanwhile. The breaker
cuts when input over current or short circuit.
Ø
Maintain switch -- it is used for maintain UPS with uninterruptible power, It will turn off when working
normally. Please refer to correct flow when using this swift, otherwise it will cause the failure of UPS or
output cut.
The process of cut off the maintainence switch: turn on the bypass switch, meanwhile turn off the inverter by
manual, then turn off the output switch, the cut off the maintainence switch, and then turn off the rectifier switch
and battery switch.
D. Connection end -- cables connect the input, output and battery.
E. Dry connection point connections
F. RSS232 communication meet end -- connect the RS232 meet end in the computer. It will monitor the UPS in
background through monitor software.
G. RS485 communication meet end -- connect the RS485 meet end in the computer. It will monitor the UPS in
background through monitor software.
H. SNMP card -- connect the Intel website and operate the web long-distance monitor.
I.
Boarding -- open it and screw and connect lines
J.
Idler wheel -- to move the UPS when installing. Should be fixed after installation.
4. Brief introduction of UPS configuration
4.1. Rectifier
Convert the 3 phase
’
s input AC electricity into stable DC through the rectifier and charge the battery meanwhile. Its
consisted parts are as following:
Ha
rm
oni
c
f
ilt
er
Re
c
tif
ie
r s
wi
tch
3
pha
s
e
m
ain
s
6 or 12 pulse rectifier
MCU
D
C
bus
fil
ter
Inverter
Batteries
Rectifier circuit
Input voltage and frequency
inspection
Battery voltage and charging circuit
inspection
B
U
S
F
IL
T
ER
Charging voltage and circuit controlling,
BUS protection
Input voltage frequency default
phase Rectifier controlling
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