-
E-mail
jndhdz@126.com
-
Phone
13589050750
-
Address
4th Floor, Building A2, Sanqing Century Wealth Center, Jinan High tech Development Zone
Jinan Shengxin Electronic Technology Co., Ltd
jndhdz@126.com
13589050750
4th Floor, Building A2, Sanqing Century Wealth Center, Jinan High tech Development Zone
Specialized inverter power supply
48V/110V/220V dedicated inverter power supply is a new generation of intelligent dedicated inverter power supply carefully designed for the application requirements of postal, railway, and power systems. The system adopts intelligent microcomputer CPU control technology, and the control circuit is simple, reliable, and quickly responds to changes in the external environment; The DC/AC converter adopts SPWM pulse width modulation technology, IGBT power module, and output isolation transformer to ensure that the output of the inverter power supply is a stable frequency and voltage, filtering out noise and low distortion pure sine wave; And it has strong load-bearing capacity and good load compatibility; The built-in static electronic bypass switch further improves the continuity and reliability of the inverter power supply; The DC input terminal adopts advanced backflow noise suppression technology, which does not interfere with other communication devices that share the DC screen; The AC input terminal adopts an input isolation transformer to completely isolate the inverter power supply from the mains power supply, eliminate interference from the mains power grid, and meet the requirements of the application system for the main AC power supply.
DHN series - Power frequency inverter power supply (1-40KVA)
1、 Overview:
DHNThe series inverter power supply is an intelligent product designed for postal, railway, and power systems. The product adopts the latest advanced technology,Suitable for applications that are sensitive to power interference and require stable, reliable, purified, and uninterrupted sine wave AC power supply.
This product adopts CPU control, high-frequency IGBT inverter technology, LCD liquid crystal display, and has the characteristics of strong load adaptability, high reliability, low distortion, and easy operation and maintenance
2、 Main performance characteristics:
◆Adopting SPWM technology, pure sine wave output
◆Dedicated CPU control, using advanced anti-interference technology, in compliance with electromagnetic compatibility standards
LCD+LED display, simple human-machine interface operation
◆ Vertical, 19 inch rack mounted, power cabinet installation
◆ It has multiple protection functions such as overvoltage, undervoltage, short circuit, overload, etc
◆AC main power supply, DC main power supply, pure DC power supply optional
The accuracy can reach 0.05%
3、 Main technical parameters:
|
model/series
|
DHN48 |
DHN110 |
DHN220 |
|
Nominal capacity |
1KVA~10KVA |
1KVA~20KVA |
1KVA~40KVA |
|
hand over flow lose enter |
|||
|
phase number |
Single phase three wire |
||
|
input voltage |
220V±20% |
||
|
input frequency |
50HZ±10% |
||
|
communication output |
|||
|
phase number |
Single phase three wire |
||
|
output voltage |
220 V±2%(Battery Mode) |
||
|
output frequency |
50HZ±0.1%(Battery Mode) |
||
|
Output power factor |
0.8 |
||
|
output waveform |
sine wave |
||
|
crest factor |
3:1 |
||
|
Total Harmonic Distortion |
linear load<3%Nonlinear load<5% |
||
|
overload capacity |
>125%,1min;>150%,200ms |
||
|
Dynamic voltage transient range |
±5%(Load jump from 0 to 100%) |
||
|
Transient recovery time |
<20ms |
||
|
Limit value of conducted interference |
0.15~0.5MHzWhen the peak value is less than79dBThe average value is less than66dB; 0.5~30MHzWhen the peak value is less than73dBThe average value is less than60dB |
||
|
DC input |
|||
|
Nominal DC voltage |
48V |
110V |
220V |
|
DC voltage range |
40-57V |
90-150V |
180-300V |
|
Backflow noise current |
<10% |
||
|
system metrics |
|||
|
protection function |
Input undervoltage,overvoltage,Output undervoltage,overvoltage,overcurrent,short circuit,DC undervoltage |
||
|
full load efficiency |
>85% |
||
|
Bypass switching time |
<8ms |
||
|
crest factor |
3:1 |
||
|
communication interface |
RS232 |
||
|
Operating temperature |
0-40℃ |
||
|
relative humidity |
20%-90%(No condensation) |
||
|
operating altitude |
<1500m,Reduce usage beyond this height,Every increase100mThe rated power has decreased1% |
||
|
cooling method |
Forced ventilation (temperature controlled) |
||
|
noise |
<60dB |
||
|
insulation strength |
Input/output to ground1500VAC,1Minutes, leakage current<3.5mA |
||