Product Categories
AC33-50KVA
Intelligent Programmable Frequency Conversion Power Supply
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Product Description
This intelligent programmable frequency conversion power supply is an advanced power supply device capable of precisely adjusting output frequency, voltage, and waveform according to user requirements. It is widely used in industries such as industrial, scientific research, and new energy. Below is a detailed analysis of its core features, application scenarios, and technical advantages:
1. Core Features
1. High Precision and Stability
Using Direct Digital Synthesis (DDS) technology and high-speed DSP control, the voltage output accuracy can reach ±0.1%, and frequency accuracy ±0.01Hz, ensuring the reliability of test and experimental data. For example, in communication equipment testing, it can accurately simulate different power grid conditions to avoid errors caused by power supply fluctuations.
Protection Functions: Integrated multiple protection mechanisms such as overcurrent, overvoltage, overheating, and short circuit, automatically cutting off abnormal output to ensure the safety of equipment and load.
2. Flexible Output Waveform and Frequency Adjustment
Supports multiple waveform outputs such as sine wave, square wave, and triangle wave, with frequency adjustment range from 0.1Hz to over 1000Hz, meeting the needs of low-frequency oscillation simulation (such as power system research) or high-frequency equipment testing (such as radar, communication base stations).
3. Intelligence and Remote Control
Remote programming and monitoring are realized through interfaces such as RS232, RS485, and Ethernet, supporting preset multiple parameter groups (voltage, frequency, operating time, etc.), suitable for automated production lines or distributed testing environments.
2. Application Scenarios
1. Industrial Automation
Provides variable frequency power supply for motors and robotic arms to achieve soft start and speed regulation, improving production efficiency and extending equipment life. For example, used in automotive manufacturing for power supply in automated assembly lines.
2. New Energy and Power System Testing
Simulates power grid fluctuations of photovoltaic and wind power generation to evaluate system stability and grid connection performance. It can also be used for power adaptability testing of ships and avionics equipment.
3. Scientific Research and Laboratories
Provides high-purity power supply in material electrical performance testing and electromagnetic compatibility experiments, reducing harmonic interference. Some models support timed cyclic testing to improve experimental efficiency.
4. Home Appliances and Electronic Device Manufacturing
Used for life testing of products such as air conditioners and washing machines, simulating voltage/frequency standards of different countries (e.g., 50Hz/60Hz) to ensure export product compatibility.
3. Technical Advantages and Development Trends
1. High-Efficiency Design
Uses IGBT modules and PWM technology, with conversion efficiency over 90%, and optimized heat dissipation design (such as forced air cooling) supporting long-term continuous operation.
2. Modularization and Customization
Functions can be optionally configured according to needs, such as military DC28V interface, marine IP65 protection level enclosure, or container-type power rooms, adapting to special environments (such as outdoor, high humidity).
3. Future Directions
Combining IoT and AI technologies to achieve self-diagnosis and remote data analysis; higher power density and miniaturization design are key research focuses.
4. Purchasing Considerations
Load Matching: Choose power margin according to load type (inductive, capacitive) to avoid overload.
Environmental Adaptability: Operating temperature is usually -10~40℃, avoid humid or corrosive environments.
Certification and Standards: Confirm compliance with national standard GB/T 20234.1-2023 or international safety regulations.
Technical Specifications |
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Capacity |
Three-phase 50KVA
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Input Voltage
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Three-phase Four-wire + Ground 380V ± 10 %,
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Input Frequency
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50Hz/60Hz ± 5Hz
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AC Current
Output Output
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Number of Phases
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Three-phase Four-wire |
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Phase Voltage
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Low Range: 1.0V-150.0V
High Range: 150.0V-300.0V
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Frequency
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Frequency Modulation: 45Hz ~ 65Hz
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Rated Current
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Low Range: Rated current per phase 138A/ High Range: Rated current per phase 69A
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Waveform
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Standard Sine Wave
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Voltage Stability
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≤± 1%FS
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Frequency Stability
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≤± 0.1%
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Total Harmonic Distortion
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≤ 5% (Resistive Load) ( THD )
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Three-phase Voltage Unbalance
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Can connect to three-phase unbalanced loads; can be used as single-phase power supply.
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Display Display
Device Device
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Voltage
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Resolution 0.1V
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Frequency
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Resolution 0.1Hz
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Current
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Resolution 0.1A
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Power
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Resolution 0.1kW
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Efficiency
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≥ 85 %
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Protection
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Protection against output overload, overcurrent, overheating, short circuit, etc.
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Fault Code
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After the protection device activates, an alarm signal is issued and the fault code is displayed;
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Enclosure Protection Level
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IP20
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Operating Environment
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Temperature: -10 ℃～ 40 ℃ Humidity :10% ~ 90% ( 25 ℃, no condensation), Sea wave height ≤ 2000m
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Dimensions mm
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720 ( W )× 1220(H) × 1100(D)
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Dongguan Zhongjia Testing Equipment Technology Co., Ltd
86135 8080 6147(Technical Director)
86135 8090 9432(Mr. Guo, Manager)
Building 1, Guanghui Zhigu, No. 86, Yinkang Road, Hengli Town, Dongguan City
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