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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
Product Categories
Jinan Nenghua Electromechanical Equipment Co., Ltd
Programmable AC variable frequency power supply (three-phase)
NegotiableUpdate on 05/07
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Overview
Technical features: One machine multi-purpose mode power supply has three-phase standard mode, three-phase independent mode, parallel single-phase mode, three-phase standard power supply, three-phase voltage can be independently adjusted online in three-phase independent mode, and each phase voltage and frequency can be independently adjusted in parallel single-phase mode ..
Product Details
Technical features:
·The one machine multi-purpose mode power supply has three-phase standard mode, three-phase independent mode, and parallel single-phase mode·Three phase standard power supply, three-phase voltage can be independently adjusted online
·Three phase independent mode, each phase voltage and frequency can be independently adjusted)
·Parallel single-phase mode three-phase parallel single-phase output
·Fully isolated input and output technology ensures safe and reliable power supply
·Adopting SPWM sine wave pulse width modulation technology, with fast response speed and stable output
·IGBT high-frequency static inverter, small size, light weight, low noise, high efficiency
·High power IGBT module and highly integrated module driver circuit, reliable operation, strong overload capacity, low loss, and high efficiency;
·Suitable for various loads such as resistive, inductive, rectifier, etc
·It has multiple protection functions for abnormal conditions such as overheating, overcurrent, and short circuit
·Equipped with parameter setting memory function and (10 sets) shortcut key operation
·The power supply voltage and frequency can be adjusted online, and the frequency can change in real-time
Technical Specifications:
| Model number | NH13-003 | NH13-006 | NH13-010 | NH33-015 | NH33-020 | HJ-53030 | |
| output capacity | 3kVA | 6kVA | 10kVA | 15kVA | 20kVA | 30kVA | |
| Input format | Single phase two-wire+ground wire | Three phase three wire+ground wire | |||||
| input voltage | 220V±15％ | 380V±15％ | |||||
| input frequency | 50Hz/60Hz±5Hz | ||||||
| Output format | Three phase four wire+ground wire | ||||||
| output voltage | 低档: 0.1V～150.0V （L-N） //0.1V-260.0V（L-L） 高档: 0.1V～300.0V (L-N) //0.1V-520.0V(L-L) |
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| Voltage regulation step | 0.1V | ||||||
| voltage regulation | The three-phase voltage can be adjusted uniformly, and each phase of the three-phase voltage can be adjusted separately | ||||||
| output frequency | Fixed frequency: 50Hz, 60Hz Frequency modulation: 45-65Hz, | ||||||
| Frequency adjustment stride | 0.1Hz | ||||||
| Frequency stability | ≤±0.05％ | ||||||
| voltage stability | ≤±1％ | ||||||
| waveform distortion | ≤ 2% (linear load) | ||||||
| source voltage effect | ≤ ±0.5％ | ||||||
| loading effect | ≤ ±1％ | ||||||
| Three-phase phase angle | 120°±1° | ||||||
| Efficiency | ≥ 80% (full load test) | ≥ 85% (full load test) | |||||
| display | frequency | Resolution 0.1Hz accuracy: ± 0.02% reading | |||||
| phase voltage | Resolution 0.1V accuracy: ± 0.5% reading+(± 0.2% range) | ||||||
| current | Resolution 0.000/0.01/0.1A Accuracy: ± 0.5% reading+(± 0.5% range), resolution varies with power capacity | ||||||
| power | Resolution 0.001/0.01KW accuracy: ± 0.5% reading+(± 0.5% range), resolution varies with power capacity | ||||||
| Preset function | Output voltage, output frequency | ||||||
| Memory group function | Equipped with 10 sets of quick memory group functions (displayed as LCD touch screen) | ||||||
| protection function | Protection against overload, overcurrent, overheating (85 ℃± 5 ℃), short circuit, overvoltage, etc | ||||||
| alarm function | After the protective device is activated, it sends an alarm signal and displays fault information, making it convenient to search for faults | ||||||
| degrees of protection provided by enclosure | IP20 | ||||||
| communication interface | RS-232 (standard), RS-485 (optional) MODBUS RTU protocol | ||||||
| remote control | Analog control (optional) | ||||||
| Dimensions (W * H * D) | 420*550*580 | 450*850*750 | 450*950*950 | 550*1150*1000 | |||
| Weight kg | 55 | 125 | 185 | 225 | 265 | 325 | |
| *Products can be customized according to requirements; The product appearance will be updated at any time, please refer to the actual power supply |
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| Model number | NH33030 | NH33060 | NH33100 | NH33150 | NH33200 | NH33300 | ||||||
| output capacity | 30kVA | 60kVA | 100kVA | 150kVA | 200kVA | 300kVA | ||||||
| Input format | Three phase three wire+ground wire | |||||||||||
| input voltage | 380V±15％ | |||||||||||
| input frequency | 50Hz/60Hz±5Hz | |||||||||||
| output mode | Three phase standard mode, three-phase independent mode, three-phase parallel single-phase mode | |||||||||||
| Three phase standard mode | standard | Three phase four wire+ground wire | ||||||||||
| voltage | 低档: 0.1V～150.0V （L-N） //0.1V-260.0V（L-L） 高档: 0.1V～300.0V (L-N) //0.1V-520.0V (L-L) The three-phase voltage can be adjusted uniformly, and each phase of the three-phase voltage can be adjusted separately |
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| Three phase independent mode | standard | 3 sets independent (A+N+PE)/(B+N+PE)/(B+N+PE) | ||||||||||
| voltage | High end: 0.1V~300.0V | |||||||||||
| Parallel single-phase mode | standard | A/B/C parallel single-phase L+N+PE | ||||||||||
| voltage | Low range: 0.1V~150.0V//High range: 0.1V~300.0V | |||||||||||
| Voltage regulation step | 0.1V | |||||||||||
| output frequency | Fixed frequency: 50Hz, 60Hz; FM: 45-65Hz | |||||||||||
| Frequency adjustment stride | 0.1Hz | |||||||||||
| voltage stability | ≤±1％ | |||||||||||
| Frequency stability | ≤±0.05％ | |||||||||||
| waveform distortion | ≤ 2% (linear load) | |||||||||||
| source voltage effect | ≤ ±0.5％ | |||||||||||
| loading effect | ≤ ±1％ | |||||||||||
| Three-phase phase angle | 120°±1° | |||||||||||
| Efficiency | ≥ 85% (full load test) | |||||||||||
| display | frequency | Resolution 0.1Hz accuracy: ± 0.02% reading | ||||||||||
| voltage | Resolution 0.1V accuracy: ± 0.5% reading+(± 0.2% range) | |||||||||||
| current | Resolution 0.01/0.1/1A Accuracy: ± 0.5% reading+(± 0.5% range) | |||||||||||
| power | Resolution 0.01/0.1/1KW Accuracy: ± 0.5% reading+(± 0.5% range) | |||||||||||
| Preset function | Output voltage, output frequency | |||||||||||
| protection function | Protection against overload, overcurrent, overheating (85 ℃± 5 ℃), short circuit, etc | |||||||||||
| alarm function | After the protective device is activated, it sends an alarm signal and displays fault information, making it convenient to search for faults | |||||||||||
| degrees of protection provided by enclosure | IP20 | |||||||||||
| communication interface | RS-232 (standard), RS-485 (optional) MODBUS RTU protocol | |||||||||||
| remote control | Analog control (optional) | |||||||||||
| Dimensions (W * H * D) | 550*1200*1150 | 550*1400*1050 | 550*1400*1050 | 1300*1650*850 | 1800*1850*1100 | |||||||
| Weight kg | 400 | 550 | 1000 | 1300 | 1600 | 2300 | ||||||
| *Products can be customized according to requirements; The product appearance will be updated at any time, please refer to the actual power supply The power capacity can reach 1000KVA | ||||||||||||
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