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Overview Emergency Power Supply(EPS) is designed for a load to provide backup power solution, it applies to fire, electricity, metallurgy, petroleum, chemical industry, schools, hospitals, mines, and all use of automatic control of the premises, providing them with safe and reliable power to protect. When the mains is normal, after each vote in the municipal electric power to the load switching device, while an intelligent back-up battery charger for charging, when the city electricity interruption or exceeds the normal voltage range, by the inverter controller provides the signal to start reverse variable power supply, while inter-switch device to switch to the inverter output, continue to provide sinusoidal alternating current to the load, when the city returned to normal when the power, EPS automatically restore electricity supply.
●Advanced DSP digital control enhances reliability, stability; ●Higher than 99% efficiency at main mode save energy. ●Intelligent battery management functions, fully automatic switch between constant charge and float charge, regular battery detection, single battery voltage display, and battery fault alarm functions prolong battery life; ●Transformer isolated output provides adaptability, impact good, high reliability, and the arbitrary load; ●RS232, SNMP (option) provides network management and communications, dry contact remote monitoring, control, interactive control with other equipment (option); ●Intelligent fan control, low noise and long life; ●Humanized big touch screen LCD provides intuitive view of intelligent icon status of the flow chat, events records and menu operation. ●Two utility power switch function enables automatic or manual switching between main power and secondary power. ●Automatic switching, unattended and less than 0.1 seconds transfer time meet all need of emergency supply power. ●Perfect protection has output over/low load protection, battery over charge/discharge protection; short circuit protection; over-temperature protection and so on, as well as alarming function.
Specifications of Emergency Power Supply
Rating
PE-T 2.2K
PE-T 3.7K
PE-T 5.5K
PE-T 7.5K
PE-T 11K
PE-T 15K
PE-T 18.5K
PE-T 22K
PE-T 30K
PE-T 37K
PE-T 45K
PE-T 55K
input voltage
380Vac±25﹪(customizable)
input frequency
50hz
output wave(emergency mode)
sine wave
output voltage
Synchronized with the main power;380V±2%(emergency mode)( customizable)
output frequency
Synchronized with the main power, emergency mode 50Hz±1%
output frequency precision
±5%(load from 0～100% or 100～0%)
instantaneous Recover time
20ms(load from 0～100% or 100～0%)
voltage distortion
linear:≤2% non-linear:≤5%
transform time
≤0.1s
DC input voltage
96VDC
288/384 VDC
384/768 VDC
efficiency(float charge)
≥99%
efficiency(emergency mode)
≥85﹪
runtime
＞90minutes(customizable)
cell testing
auto testing single cell voltage when LCD display single cell voltage
display
LCD+LED
display precision
±2%
protection
Short circuit\overload\low voltage\over temp,
overload capability
＜120%:continues work; ＞125%:delay 10s
communication
dry contact(options);RS232;SNMP(options)
auto restart
After turning off because battery is low voltage, switching main mode if utility power recovers
