Shanghai Liyou Electric Co., Ltd
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Medium frequency power supply/variable frequency power supply
1、 Single phase and three-phase AC variable frequency power supply 1. Product overview: The AC variable frequency power supply produced by our company
Product details
1、 Single phase and three-phase AC

Variable Frequency Power Supply

1. Product Overview
The AC variable frequency power supply produced by our company is a high-performance precision power supply designed using advanced IGBT inverter output technology and advanced microprocessor control. It has protection and alarm fault display functions for overcurrent, short circuit, overvoltage, undervoltage, overload, etc., ensuring the safety of electrical equipment and variable frequency power supply. It has the characteristics of strong load adaptability, good output waveform quality, good human-machine interface, simple operation, small size, and light weight. The variable frequency power supply with sine wave output and adjustable output voltage and frequency provides the required AC power for electrical equipment.
This product is widely used in the home appliance manufacturing industry, motor and electronic manufacturing industry, IT industry, computer equipment manufacturing industry, laboratory and testing units, aviation, military units, medical equipment, railways, oil drilling platforms and other places that require different power and special requirements.
2. Technical specifications of single-phase and three-phase AC variable frequency power supply
1) Input voltage: see the table below;
2) Output voltage: see the table below;
3) Load stabilization accuracy ≤ ± 1.0%;
4) Output waveform: sine wave;
5) Waveform distortion: see the table below;
6) Load frequency stability ≤ ± 0.05%;
7) Overload capacity:>100% 15s alarm; Alarm for ≥ 110% 2s.
8) Working environment: Temperature range of 0-40 ℃, relative humidity ≤ 80%.
3. Specification and model of single-phase and three-phase AC variable frequency power supply
model Capacity input voltage output voltage output current output frequency Distortion degree
BDD2050 500VA 220V±10%
single-phase
low-end
0-150V single-phase

high-end
0-300V single-phase
4.6/2.3A 45-70Hz
(Adjustable)
100/200/400Hz
≤2%

BDD3001

1KVA 9.1/4.5A
BDD3002 2KVA 18.2/9.1A
BDD3003 3KVA 27.4/13.7A
BDD3004 4KVA 36.4/18.23A
BDD3005 5KVA 45.6/22.8A
BDD3006 6KVA 54.6/27.3A
BDD3010 10KVA 90.9/45.5A
BDD3015 15KVA 136/68.2A
BDD3020 20KVA 182/90.9A
BDD3030 30KVA 272/136A
BDD3045 45KVA 408/204A
BSD3010 10KVA 380V±10%
three-phase
90.9/45.5A ≤3%
BSD3015 15KVA 136/68.2A
BSD3020 20KVA 182/90.9A
BSD3030 30KVA 272/136A
BSD3045 45KVA 408/204A
BSD3060 60KVA 545/273A
model Capacity input voltage output voltage output current output frequency Distortion degree
BSS3003 3KVA 380V±10%
three-phase
low-end
0-380V three-phase
line voltage

high-end
0-520V three-phase
line voltage
9.1/4.5A 45-70Hz
(Adjustable)
100/200/400Hz
≤2%
BSS3006 6KVA 18.2/9.1A
BSS3010 10KVA 30.3/15.1A
BSS3015 15KVA 45.3/22.6A
BSS3020 20KVA 61/30A
BSS3030 30KVA 91/45.5A
BSS3045 45KVA 136/68A
BSS3060 60KVA 182/91A
BSS3070 75KVA 226/113A ≤3%
BSS3100 100KVA 303/151A
BSS3125 125KVA 378/189A
BSS3150 150KVA 454/227A
BSS3180 180KVA 545/272A
BSS3200 200KVA 606/303A
BSS3300 300KVA 909/455A
2、 Military J series medium frequency static variable frequency power supply
1. Product Overview
The intermediate frequency variable frequency power supply produced by our company applies high-frequency power electronic power conversion technology, adopts unique patented technology, and is specially designed and manufactured for aviation and military electronic and electrical equipment. It can be used for aircraft and airborne equipment, radar, navigation and other military electronic equipment, as well as other occasions that require 400Hz intermediate frequency power supply; It is the best power source for experimental testing in laboratories, aerospace, defense and military industries, scientific research sites, and other places. The intermediate frequency static variable frequency power supply has multiple protection functions such as overcurrent, short circuit, overvoltage, undervoltage, overload, etc. Capable of displaying real-time data such as voltage and frequency with high precision. It has the characteristics of strong load adaptability, high efficiency, good stability, good output waveform quality, easy operation, small size, and light weight. It can be applied to three-phase balanced and any unbalanced load, as well as various types of loads such as resistive, capacitive, inductive, and mixed loads.
2. Technical indicators
1) Input voltage: see the table below;
2) Output voltage: see the table below;
3) Output frequency: see the table below;
4) Load stabilization accuracy ≤ ± 0.5%;
5) Waveform distortion: see the table below;
6) Load frequency stability: ≤± 0.1%;
7) Response time: ≤ 2ms.
3. Specification and model of military J series medium frequency static variable frequency power supply
model Capacity input voltage output voltage output current output frequency Distortion degree
J9905 500VA 220V
single-phase
low-end
0-150V single-phase

high-end
0-300V single-phase
4.2/2.1A 400Hz ≤1.5%
J9901 1KVA 8.4/4.2A
J9005 5KVA 42/21A
J9010 10KVA 84/42A
J9020 20KVA 380V
three-phase
168/84A
J9030 30KVA 250/125A
J9045 45KVA 375/188A
J9060 60KVA 500/250
J90100 100KVA 834/417A

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Our company can customize various special specifications of variable frequency power supplies and intermediate frequency power supplies according to customer requirements

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