1、Application
BK-NT series Inverter which are designed based on Post, Electric Power and railway etc, is an uninterruptible power systems products. It adopts the advantageous technology to research and develop. Static Bypass module adopts the advantageous control strategy  and high reliability SCR to switch inverter voltage and bypass voltage smoothly. DSP and modularization improve their reliability and performance, convenient maintenance and shipment. Meanwhile it has telecommunications and expandable functions. It applies to anti-sensitive power supply equipment, post systems, electric power systems and railway etc.
2、Features Benefits:
Adopt Special Microprocessor Chip Control
Advance Intelligent IGBT Module (IPM)
High reliability and performance, strong impaction
LCD Display, User-Friendly operation
RS232/485 interface meet local and remote monitor
Easy installation and conveniently assembled
Adopts Static bypass and switch to be uninterruptible
Full protections including over voltage, low voltage, short circuit, overload etc)
3、Characteristic setting
| model |
48VDC series |
110VDC series |
220VDC series |
| rating capacity |
1K～10KVA |
1K～20KVA |
1K～80KVA |
| DC input |
| rating voltage |
48VDC |
110VDC |
220VDC |
| input range |
40～57V |
90～150V |
180～300V |
| refute current |
<10% |
| AC input |
| voltage |
220V±20% |
| frequency |
50/60Hz±5% |
| dynamic features |
load current from25％to50％to75％changing，output voltage<10％ recover time<20ms |
| THDi wave |
<5%(linear load) |
| 传导干扰极限值 |
when 0.15－0.5MHz，Noise p-p<79dB;when0.5－30MHz，Noise p-p<73dB average<60dB |
| efficiency |
>85% |
| overload |
when the load current is 120%,it will turn to bypass after 20s,it will be normal with the less than 100% |
| bypass recover time |
less than 6ms |
| noise |
<50～60dB |
| wave crest |
3:01:00 |
| protection |
| input |
overvoltage or wanting voltage |
| over temperature |
it will turn to bypass when the temp is over 85℃ |
| input short circuit |
limited current or cut off the output |
| fault |
turn to bypass auto |
| alarm |
| bypass input fault |
once alarm for 4s,it will mute after 30s |
| DC undervoltage |
once alarm |
| overload |
overload led will light and alarm |
| fault |
fault led will light and alarm |
| LCD/LED |
| LCD display |
show AC input/output. Frequency. DC input output. capacity percent etc |
| LED display |
main.working.overload.DC abnormity .fault |
| Environment |
| temperature |
0-40℃ |
| relative humidity |
20%-90% |
| insulating intensity |
1500VAC,1Min,current evasion<10mA |
|
