HGM9560 BUS TIE MAINS PARALLEL UNIT
HGM9560 Bus Tie Mains Parallel Unit ISSUE 2013-12-30 Version 1.0 Page 7 of 51
2 PERFORMANCE AND CHARACTERISTICS
With ARM-based 32-bit SCM, high integration of hardware and more reliable;
480x272 TFT LCD with backlight, multilingual interface (including English, Chinese or other
languages) which can be chosen at the site, making commissioning convenient for factory
personnel;
Improved TFT LCD wear-resistance and scratch resistance due to hard screen acrylic;
Silicon panel and pushbuttons for better operation in high/low temperature environment;
RS485 communication port enables remote control, remote measuring, remote
communication via ModBus protocol.
Suitable for 3-phase 4-wire, 3-phase 3-wire, single phase 2-wire, and 2-phase 3-wire systems
with voltage 120/240V and frequency 50/60Hz;
Collects and shows 3-phase voltage, current, power parameter and frequency of Bus/mains.
Mains Bus
Line voltage (Uab, Ubc, and Uca) Line voltage (Uab, Ubc, and Uca)
Phase voltage (Ua, Ub, and Uc) Phase voltage (Ua, Ub, and Uc)
Phase sequence
Phase sequence
Frequency (Hz) Frequency (Hz)
Current IA
，
IB
，
IC Current IM
Each phase and total active power kW Active power kW
Each phase and total reactive power kvar Reactive power kvar
Each phase and total apparent power kVA Apparent power kVA
Each phase and average power factor PF Power factor PF
Accumulate total gen power kWh
、
kvarh
、
kVAh
Rate of Change of Frequency ROCOF
Vector Shift VS
Earth current I
E
Negative Sequence Current I
NB
Perfect mains split protection: over/under frequency, over/under voltage, ROCOF and vector
shift;
Synchronization parameters
：
Voltage Difference Between Bus and Mains, Frequency
Difference Between Bus and Mains, Phase Difference Between Bus and mains;
Multiple running modes in auto state: AMF (Automatic Mains Failure), Island Mode, Fixed
Power Output/Input, Peak Lopping Mode and Load Takeover Mode;
