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E-mail
nenghua@nenghua.net
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Phone
17156775888
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Address
15th Floor, Building 1, United Fortune Plaza, High tech Zone, Jinan City, Shandong Province
Jinan Nenghua Electromechanical Equipment Co., Ltd
nenghua@nenghua.net
17156775888
15th Floor, Building 1, United Fortune Plaza, High tech Zone, Jinan City, Shandong Province
Brief introduction
This series of products adopts power electronic conversion and intelligent control technology, mainly designed as high-performance power supplies for ground power supply of aircraft and onboard equipment, and military electronic and electrical equipment testing needs.
2、 Applicable occasions
Mainly used in aircraft and onboard equipment, radar, navigation and other 400Hz power supply requirements, it is a replacement product for traditional generator sets with variable frequency power supply. The users include aviation research institutes, military factories, military units, civil aviation and other customer groups, and are applied in laboratories, electrical workshops, metrology and testing rooms, aircraft hangars, aprons and other occasions.
3、 Execution standards
GJB181A-2003 Aircraft Power Supply Characteristics
GJB572A-2006 Aircraft External Power Supply Characteristics and General Requirements
MH/T6018 Ground Static Transformer Power Supply
MIL-STD-704E Aircraft Power Supply Characteristics
4、 Technical features
1. Three phase independent design, each phase can be individually adjustable;
2. Automatic compensation function for cable voltage drop;
3. High brightness LCD display, optimized human-machine dialogue interface, easy to operate;
4. Output cutoff function, which can adapt to the start-up requirements of impact loads;
5. Adopting high-frequency switch conversion technology, multi loop control, high output waveform quality, fast response time, and good dynamic characteristics;
6. Power on self-test function to ensure stable and reliable operation;
7. Superior overload capacity design that can meet the working requirements of different loads;
8. Optimized air duct design, improved power dissipation capacity, reduced heat loss, and extended product lifespan.
5、 Technical parameters
Product Technical Parameters (500VA-6kVA)
|
parameter
model |
NH400- 13005 |
NH400- 13010 |
NH400- 13020 |
NH400- 13030 |
NH400- 13060 |
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|
output capacity |
500VA |
1kVA |
2kVA |
3kVA |
6kVA |
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|
Output Power Factor |
0.8 |
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working method |
SPWM mode, sine wave output. |
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power input |
单相 AC220V±15% 50/60Hz±5% |
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Output phase number |
three-phase four-wire |
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|
output frequency |
Range: 300-500Hz, adjustable step size of 1Hz; Rated: 400Hz |
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frequency accuracy |
≤0.1% |
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Frequency stability |
≤0.01% |
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|
Output phase voltage |
Rated: 115V, Range: 1.0-150.0V, Adjustable Step: 0.1V |
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source voltage effect |
≤1% |
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|
loading effect |
≤1% |
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Output voltage distortion degree |
≤ 2.0% (under resistive load, rated frequency and voltage) |
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|
Three-phase phase difference |
120°±2° |
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Voltage imbalance |
≤1% |
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|
dynamic characteristics |
100% sudden loading and unloading of load, voltage mutation ≤ 5%, recovery time 20ms. |
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|
protective device |
Short circuit protection, overload protection, overcurrent protection, overvoltage and undervoltage protection, power device overheating protection. |
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Overcurrent (overload) Protection features |
105% for 10 minutes; 120% for 1 minute; 150% for 30 seconds; 200% 10 seconds; 300% immediate protection. |
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|
memory function |
Automatically remember the last startup running parameters |
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|
Preset function |
In standby mode, parameters such as output frequency and output voltage can be preset. |
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|
Online adjustment function |
During operation, the output frequency and voltage can be adjusted online. |
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|
communication interface |
Optional RS232 or RS485 communication, standard industrial MODBUS RTU communication protocol. |
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Output/Display precision |
voltage |
Resolution: 0.1V Accuracy: ± (0.5% x read value+0.1% x full-scale value) |
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|
current |
Resolution: 0.01A Accuracy: ± (0.5% x read value+0.1% x full-scale value) |
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power |
Resolution: 1W Accuracy: ± 1% (power factor above 0.8) |
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|
display mode |
LED display |
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efficiency |
≥80% |
≥85% |
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noise level |
≤60dB |
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Overall dimensions Width x Depth x Height (mm) |
482*530*265(6U) |
482*530*265(6U) 410*560*650 |
460*680*830 |
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|
working environment |
Temperature: 0-40 ℃ Relative humidity: ≤ 90% RH |
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Product Technical Parameters (10kVA-200kVA)
|
parameter
model |
NH400- |
||||||||||
|
33 100 |
33 150 |
33 200 |
33 300 |
33 450 |
33 600 |
33 750 |
33 1000 |
33 1500 |
33 2000 |
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|
output capacity (KVA) |
10 |
15 |
20 |
30 |
45 |
60 |
75 |
100 |
150 |
200 |
|
|
Output Power Factor |
0.8 |
||||||||||
|
working method |
SPWM mode, sine wave output. |
||||||||||
|
power input |
Three phase four wire AC380V ± 15%; 50/60Hz ± 5%. |
||||||||||
|
Output phase number |
three-phase four-wire |
||||||||||
|
output frequency |
Range: 300-500Hz, adjustable step size of 1Hz; Rated: 400Hz |
||||||||||
|
frequency accuracy |
≤0.1% |
||||||||||
|
Frequency stability |
≤0.01% |
||||||||||
|
Output phase voltage |
Rated: 115V, Range: 1.0-150.0V, Adjustable Step: 0.1V |
||||||||||
|
source voltage effect |
≤1% |
||||||||||
|
loading effect |
≤1% |
||||||||||
|
Output voltage distortion degree |
≤ 2.0% (under resistive load, rated frequency and voltage) |
||||||||||
|
Three-phase phase difference |
120°±2° |
||||||||||
|
Voltage imbalance |
≤1% |
||||||||||
|
dynamic characteristics |
100% sudden loading and unloading of load, voltage mutation ≤ 5%, recovery time 20ms. |
||||||||||
|
protective device |
Short circuit protection, overload protection, overcurrent protection, overvoltage and undervoltage protection, power device overheating protection. |
||||||||||
|
Overcurrent (overload) Protection features |
105% for 10 minutes; 120% for 1 minute; 150% for 30 seconds; 200% 10 seconds; 300% immediate protection. |
||||||||||
|
memory function |
Automatically remember the last startup running parameters |
||||||||||
|
Preset function |
In standby mode, parameters such as output frequency and output voltage can be preset. |
||||||||||
|
Online adjustment function |
During operation, the output frequency and voltage can be adjusted online. |
||||||||||
|
communication interface |
Optional RS232 or RS485 communication, standard industrial MODBUS RTU communication protocol. |
||||||||||
|
Output/Display precision |
voltage |
Resolution: 0.1V Accuracy: ± (0.5% x read value+0.1% x full-scale value) |
|||||||||
|
current |
Resolution: 0.01A/0.1A Accuracy: ± (0.5% x read value+0.1% x full-scale value) |
||||||||||
|
power |
Resolution: 1W Accuracy: ± 1% (power factor above 0.8) |
||||||||||
|
display mode |
LED display, optional color touch screen display |
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|
efficiency |
≥85% |
||||||||||
|
noise level |
≤65dB |
≤70dB |
|||||||||
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Overall dimensions Width x Depth x Height (mm) |
510*850*1000 |
1000*780* 1250 |
1200*700* 1320 |
1340*740* 1500 |
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|
working environment |
Temperature: 0-40 ℃ Relative humidity: ≤ 90% RH |
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Note: We accept special customization for high-power and non-standard products; Accept special customization.