Home >> Post&telecom, railway, power electric inverter
Post&telecom, railway, power electric inverter
- Product Name：KN series sine wave exclusive use inverter power supply
- Title：sine wave exclusive
- Specifications：DC48V DC110V DC220V
- Overview：
- Post and telecommunications, railway, power system 48V/110V/220V exclusive use inverter power supply can transform electricity and battery power into continuous, pure power, the series power supply designed for post and telecommunications, railway, power system computer and other electrical equipment can be used to provide continuous AC power, can back up use for the unstable electricity and power outages, can also prevent the various distortion power, such as the power supply voltage drop, surge voltage, peak voltage and radio frequency interference.
Description
Post and telecommunications, railway, power system 48V/110V/220V exclusive use inverter power supply can transform electricity and battery power into continuous, pure power, the series power supply designed for post and telecommunications, railway, power system computer and other electrical equipment can be used to provide continuous AC power, can back up use for the unstable electricity and power outages, can also prevent the various distortion power, such as the power supply voltage drop, surge voltage, peak voltage and radio frequency interference.
KN-series inverter adopts high performance microprocessor, SPWM sine pulse width modulation technology, RS232 communication interface, internal AC bypass, have features of strong load adaptability, high performance, low distortion, easy to operate and maintain. To meet the demand for power development, our company will spare no effort in the pursuit of advanced products, reliability and economic applicability, better service for customers.
Application:
Widely used in telecommunication program-controlled exchange background management system, power plant, transformer substation, power supply bureau, communication, carrier monitoring and other power supply interference sensitive situations, post and telecommunications, railway, electrical power and other DC panel power supply situations.
Performance characteristics：
Wide input voltage range, high voltage stabilization precision, strong environmental adaptability.
Inverter unit adopts micro compressor control, SPWM sine pulse width modulation, and pure sine wave output.
Input output electrical isolation type inverter technology, high EMC targets, have stable and reliable output voltage and frequency
Unique dynamic current loop control technology to ensure reliable operation of inverter
Strong overload capacity, can withstand the boot surge impact of the computer loads.
Using IGBT power devices, has strong overload capacity, high efficiency.
Using high-power static electronic bypass switch, AC power and bypass can switch without interruption
Have input and output over voltage, lack voltage, short circuit, overload, over temperature protections.
A variety of optional lightning protection program
The inverter panel has LCD and LED display
Three installation ways: vertical, 19 inch standard rack type and electrical cabinet.
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Model \series |
DC48V inverter for post and telecommunications |
DC110V inverter for railway |
DC220V inverter for electrical power |
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Specification \capacity |
KN-1KVA~10KVA |
KN-1KVA~20KVA |
KN-1KVA~30KVA |
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Running way |
Pure inverter\backup type \on line type |
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DC input |
Rated voltage |
48V |
110V |
220V |
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Permitted range |
40~60V |
90~160V |
180~300V |
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Anti-noise current |
＜10% when rated input voltage and load current |
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AC input |
Voltage |
220V±20% |
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Frequency |
50Hz±5% |
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AC output |
Voltage |
220V±1% |
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Frequency |
50Hz±0.5% |
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Power factor |
≥0.8 |
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dynamic characteristics |
Load current sudden changes from 25%~50%~75%，output voltage changes ≤10%，recovery time ＜20ms |
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Waveform distortion |
＜3%（linear load） |
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conducted interference limit value |
0.15~0.5MHz，quasi-peak value ＜79dB，average value ＜66 dB； |
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Efficiency |
＞85% |
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Overload capacity |
when load current reached 120% of rated current，20s automatic to bypass，automatic recovery when overload disappear |
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Bypass transfer time |
＜6ms |
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Noise |
＜45~60 dB |
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Crest factor |
3:1（Max） |
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Protection |
Output short circuit |
Power off protection，manual recovery |
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Output overload |
120%，maintain 30s |
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System over temperature |
Internal temperature ≥85℃ power off protection，automatic recovery |
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Reversed DC |
Don’t work |
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Alarm |
AC bypass power down |
Buzzer calls every 4s， automatic stop in 30s |
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DC input lack voltage |
Buzzer calls every1s |
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Over load |
Overload indicator lights, buzzer long calls |
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Error |
Error indicator lights, buzzer long calls |
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Display |
LED display |
Display AC input/output voltage, frequency, DC input voltage, percentage of output power etc. |
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LED display |
AC power、working、overload、DC bias, error |
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Ambient |
Running temperature |
-10℃~+45℃ |
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Relative humidity |
20%~90%（non condensing） |
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Altitude |
≤1000m |
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Cooling system |
Forced cooling |
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Safety specification |
Insulation resistance |
500VDC,input output towards ground＞2M |
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Insulating strength |
input output towards ground 1500VAC,1min，leakage current ＜10mA |
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