1、Application
YS、YJS series single phase /three phase common use EPS， the capacity from 1KVA to 400KVA.This series EPS adopt high speed  MCU and CPLD, controlled by Software. The power components adopt the six generation low exhaust IGBT and static switch. This series UPS integrate the latest controller and the most advanced software. Widely used in building lighting traffic lighting, electric power, industry and mine enterprise, fire protection elevator（fire protection pump） etc protection equipment.
2、Main features
◆ Intelligent digital control technology
Adopt three pcs MCU and CPLD to reach the circuit control, parameter setting, operation management, advanced self-detecting and testing function, can be self-checking and failure analysis of all the separate circuit on the main board. You can trust the sine wave voltage which transfers through numerical and the excellent new solutions to meet your needs and demands.
◆ High efficiency IGBT（Insulated Gate Bipolar Transistor）inverter technology
Adopt the six generation IGBT with excellent high speed switch features. With high voltage and large current features; adopt voltage driven, only need small control power. The six generation with lower saturation voltage, highly inverter working efficiency, more reliable.
◆ Excellent load features
Superior load it is completely capable to load from 0-100% while no need to change to bypass, which make sure the output reliable. When connect to the generator it can be setting to adjust frequency output
◆ Intuitionist LED status indication: All the working status indication can see directly
◆ Perfect protection
Input/output over/low voltage protection, input surge protection，input phase sequence protection, battery overload short circuit protection, over temperature protection etc all kinds system protection and alarm function.
◆ High-powered static features:
Adopt instantaneous control manner and virtual value etc all kinds of feedback control，not only reach the high dynamic adjustment, also reduce the output voltage distortion
◆ Adopt 6 pulse rectifier charger, the charge current can be setting from 0-100A according to the battery capacity.
◆ Intelligent battery management
Intelligent battery charge: Automatically setting the battery charge current according to the battery capacity, and also reach the boost and buck float charge transfer, temperature compensation， discharge management. Prolong the battery lifetime and reduce the administrator’s shoulder.
◆Selectable battery testing matching module
Can be test the single parameter and display on the LCD. If the battery failure will immediately alarm and inform the administrator.
◆ Intelligent detecting function
This system microprocessor can online testing the power status, the breaker status and all the working status of the circuit. Once finding the failure will immediately alarm and inform the administrator.
◆ Intelligent communication
·RS232 and RS485 communication port can in deed reach multi-purpose and long distance monitor.
·Optional SNMP card, can reach long distance monitor and internet operation
·Selectable dry connector, adopt non-source contactor to reach the monitor of the EPS.
·Supply the fir protection signal as required.
◆ Characteristically setting
Can be adjusting the input parameter according to different input requirement.
◆ Lighting, driving ,mixed product design, the user can adjust the working manner according to the load
◆In order to matching the computer monitor equipment and the other lights which required short transfer time. The EPS adopt fast AC failure testing design to reach the transfer time less then 4ms.
◆The dimension of the EPS can be design according to the Locale operation requirements.
◆The EPS have three defend function, can be used for basement and the other wet sites.
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