Seoho Electric SOHO PS - Specifications

SOHO Power Supply
4
2. Specifications
Items
Specifications
Remark
Rated Input Voltage Range
3Ø 265Vac ~ 480Vac
for regulated output with 230Vac
Max Input Voltage
3Ø 540Vac
within 2sec
Input Frequency Range
30Hz ~ 70Hz
Output Voltage
up to 95% for Input Voltage
before L-C filter
Output Frequency
0 ~ 200Hz
Adjustable(Default 60Hz)
Switching Frequency
0 ~ 8KHz
Adjustable(Default 2.5KHz)
Start-up Voltage
200Vdc
Cut-off Voltage
170Vdc
THD
less than 2%
Under linear load condition
Voltage Drop
less than 15%
Under rated load condition
(include L-C Filter)
Rated Output Power
37KW/18.5KW
440Vac/220Vac
Rated Output Current
72Arms
Under ambient temperature 40°C
Peak Output Current
135Arms
Heat-sink Temperature : less than
65°C
Over Load Capability
150% of rated current
1min/10min
Over Current Trip
250Arms(max)
Adjustable
Feedback Control Method
Load Unbalance Observer
Automatic Mode Exchange
Open loop Control Method
Open-loop Compensator
Protection Function
Over Current, Over Load,
Over Voltage, Under Voltage,
Feedback Line Fail, Low Voltage,
Pre-charging Fault, Short Current. Etc.
User Interface
Keypad (with LCD)
Management Software(Free)
User Connection
8 Digital Input
DI1 : Reserved with Run/Stop
1 Analog Output
Multi Function
3 Digital Output
Multi Function
2 Relay Output
Relay Output 1 : Fault Output
Relay Output 2 : Feedback Line
Fail
Voltage Feedback
R,S,T (from isolation transformer
output)
Communication
CAN, RS-485, Profi-Bus
Optional (RS-232 default : Keypad)
Ambient Temperature
-10°C ~ +40°C
Relative Humidity
90%, no condensation allowed