Variable Frequency Power Supply

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Variable Frequency Power Supply
Variable Frequency Power Supply
Variable Frequency Power Supply
Variable Frequency Power Supply
Variable Frequency Power Supply

The VFP variable frequency power Supply is the new generation 32 bit processor of ARM, which is used by Wenlida as the core. IGBT is the executive component, and the isolation transformer is designed for voltage regulation.

Quick Information
  • Temperature:-10~45℃
  • Relative Humidity:0~90%
  • Insulation Resistance:> 20 mΩ, DC 500V
  • Withstand Voltage:1500Vac / 10mA

Product Description

The VFP Variable Frequency Power Supply represents a cutting-edge advancement, featuring a 32-bit ARM processor at its core, specifically chosen by Wenlida. Functioning as the executive component, the IGBT plays a crucial role, and an isolation transformer is intricately designed to fulfill voltage regulation requirements.

Operating on the AC-DC-AC (AC – DC – AC) mode, this innovative system employs Sinusoidal Pulse Width Modulation (SPWM) transformation to convert input power effectively. This technology allows for the adaptation of input power to meet the varying voltage and frequency requirements, making it versatile enough to cater to power supply needs across different regions of the world.

Advantages and Characteristics:

  1. Demonstrating exceptional resilience, the system exhibits remarkable impact resistance, instantly handling load impact currents that are 2-3 times the norm.
  2. Ensuring precise frequency stability, the device boasts an impressive accuracy level, with frequency stability maintained at less than 0.1%.
  3. Offering versatility, the frequency range extends widely, with output frequencies ranging from 5 to 1000Hz, providing optional configurations to suit diverse applications.
  4. Achieving high voltage stability, the system delivers accuracy within +/-1% or better for stabilizing voltage.
  5. With rapid response capabilities, the device swiftly reacts to climatic jumps in input voltage, ensuring that the output responds in less than 2 milliseconds.
  6. Adaptable to a broad voltage range, the system accommodates input voltage fluctuations of +/-20%, while allowing customizable output voltage in the range of 0-1000V.
  7. Ensuring high-quality output waveforms, the system produces pure sine-waves with waveform distortion maintained at less than 2%, excluding non-linear loads.
  8. Implementing three-phase voltage vector control, the system effectively withstands the challenges posed by three-phase unbalanced loads, further enhancing its operational robustness and reliability.
  9. With a rapid reaction time of less than 2ms to input voltage changes, this Variable Frequency Power Supply adapts swiftly to dynamic operational conditions.
  10. Accommodating a broad voltage range, it handles fluctuations of +/-20% in input voltage, with customizable output voltage ranging from 0 to 1000V.

Technical Parameter

No. Item Name Description Specification Standards
1. Input Voltage Three-phase: 380V

Mono-phase: 220V

Or other specified voltage

Voltage variation 380V +/- 20%

220V +/- 20%

Frequency 47Hz ~ 63Hz

Or other specified frequency

2. Output Regulating Mode IGBT / SPWM Sinusoidal pulse width modulation mode
Output Voltage Three-phase: 0 ~ 520V can be adjusted,

Mono-phase: 0 ~ 300V can be adjusted,

Or customize higher voltage

Output Voltage Stability (average) +/- 1%, can be more accurate
Reaction Time 2ms (linear voltage)
Voltage waveform distortion THD < 2% (linear load)
Output Frequency 41Hz ~ 73Hz, (can be adjusted);

50Hz / 60Hz / 400Hz, (fixed value);

100Hz / 200Hz, (optional);

5Hz ~ 1000Hz, (can be adjusted).

Frequency Stability < 0.1%
Phase Skew As the load with balanced phase or no-load: ≤ +/-1°

As the load with 100% unbalanced phase: ≤ +/-4°

Three-phase unbalance Automatically balance the three-phase voltage
3. Display, diagnosis, protection system Displaying Parameter Linear voltage: (L-L)

Three-phase voltage: (L-N)

Three-phase: current, frequency, power

Displaying Resolution Voltage: 0.1V

Current: 0.1A

Power: 0.1kW

Displaying Fault & Diagnosis Over-load & short circuit fault

IGBT modular fault

Fuse fault

Over-temperature fault

Protection As these situations:

l Input & Output switch without fuse;

l Quick detector of Electronic circuit: over-current, over-voltage, over-load, over-temperature, short circuit;

the device shall automatic trip, protect, and alarm.

Displaying medium LCD displayer (128*64)
4. Load Capacity 120% / 1 hr, 150% / 1 min, 200% / 20s
5. Operating Environment Temperature: -10~45℃,

Relative Humidity: 0~90%

6. Insulation Resistance > 20 mΩ, DC 500V
7. Withstand Voltage 1500Vac / 10mA, leak-proof

VFP series three phase variable frequency power model  (three phase input, three phase output)

Model (VFP) Rated Capacity (KVA) Rated current (A) Size (W*D*H)
HV LV
33003 3 4.5 9 350*650*630
33006 6 9 18 440*650*770
33010 10 15 30
33015 15 2330 46
33020 20 45 60 460*700*1200
33030 30 68 90
33045 45 91 136 780*650*1350
33060 60 114 182
33075 75 137 228 950*700*1600
33090 90 183 274
33120 120 228 366
33150 150 304 456 1200*750*1800
33200 200 380 608
33250 250 456 760 1400*1000*2100
33300 300 608 912
33400 400 760 1216
33500 500 912 1520 2100*1000*2100
33600 600 1216 1824
33800 800 1520 2432 1400*1000*2100
331000 1000 3040

VFP series three phase variable frequency power model  (single phase input, three phase output)

Model (VFP) Rated capacity (KVA) Rated current (A) Size (W*D*H)
HV LV
13003 3 4.5 9 350*650*630
13006 6 9 18 440*650*770
13010 10 15 30
13015 15 2330 46
13020 20 45 60 460*700*1200

VFP series single phase variable frequency power model  (three phase input, single phase output)

Model (VFP) Rated capacity (KVA) Rated current (A) Size (W*D*H)
HV LV
31010 10 42 84 400*650*770
31015 15 63 126
31020 20 84 168 460*650*1200
31030 30 126 252
31045 45 189 378 780*650*1350
31060 60 252 504
31075 75 315 630
31090 90 378 756 950*700*1500
31120 120 504 1008
31150 150 630 1260
31200 200 840 1680 1400*1000*2100
31300 300 1350 2700

VFP series single phase variable frequency power model  (single phase input, single phase output)

Model (VFP) Rated capacity (KVA) Rated current (A) Size (W*D*H)
HV LV
11003 3 13 26 425*436*173
11005 5 21 42 400*650*770
11010 10 42 84
11015 15 63 126
11020 20 84 168 460*650*1200
11030 30 126 252
11045 45 189 378 780*650*1350

Application

Testing exported equipment, converting the frequency of imported machinery, ensuring frequency and voltage stability aboard ships, conducting energy consumption environment tests in laboratories, and providing locations for frequency adjustment, stable frequency, and stable voltage.

Variable Frequency Power Supply application field

Variable Frequency Power Supply application field

Variable Frequency Power Supply application field

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      NO.2439 Gaoshi road, Jiading District, Shanghai, China

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