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120KVA AC Variable Frequency Power Supply

120KVA AC Variable Frequency Power Supply

Brand Name:Sinuo
Certification:Calibration Certificate (Cost Additional)
Model Number:SN9912-120KVA
Minimum Order Quantity:1
Delivery Time:30 Days
Payment Terms:L/C, , T/T, Western Union, MoneyGram
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Verified Supplier
Location: Guangzhou Guangdong China
Address: Room 101, 1st Floor, No. 6, Third Street, Pingshan Industrial Zone 511495, Shibi Street, Panyu District, Guangzhou, China
Supplier`s last login times: within 36 hours
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Product Details

120KVA AC Power Source Three Phase Large Capacity Variable Frequency Power Supply


Product Overview:


1.1 Features

● Based on high frequency SPWM hardware adjustment technology, the response is fast and output is stable.

● With high-power MOS / IGBT drive, the operation is reliable and the overload capacity is strong.

● Suitable for various loads such as resistance, inductance, rectification, etc. .

● With protection against abnormal conditions such as overheating, overcurrent and short circuit.

● With parameter memory function and shortcut key operation mode, the operation is easy.

● The power supply voltage is adjustable online, and the output frequency is optional.

● Adopts high-brightness LED display, which is clear and eye-catching, with wide viewing angle, and convenient for production line use.

● With RS232 communication interface, the baud rate can reach 9600.


1.2 Main purpose and scope of application

● Professional laboratory (EMI / EMC / safety regulations)

● Manufacturing plants (quality assurance / life test)

● Testing of products, simulating power grids of various countries

● Product development testing.


Technical Parameters:


Model no.:SN9912-120KVA
Power capacity120KVA (can be customized)
Input power supplyThree-phase four-wire 220V±10%,60Hz or 380V±10%,50Hz
Output phase voltage rangeSingle-phase: low range 0.0 ~ 150.0V, high range 0 ~ 300.0V, resolution 0.1V
Output line voltage rangeSingle-phase: low range 0.0 ~ 260.0V, high range 0 ~ 520.0V, resolution 0.1V
Output voltage tolerance110V and 220V:±1%, others are ±1.5%;
Output frequency45 ~ 400Hz, resolution 0.1Hz; fixed frequency output: 50Hz, 60Hz, 400Hz
Frequency stability≤0.01%
Voltage stability≤1%
Distortion≤2% (Resistive load)
Crest coefficient3:1
Source voltage effect≤1%
Load effect≤1%
Effectiveness≥80% (3kVA and below capacity ≥70%)
Frequency displayFour-digit LEDs, resolution 0.1H
Voltage displayFour-digit LED, resolution 0.1V
Current displayFour-digit LED, resolution 0.001A / 0.1A
Power displayFour-digit LED, resolution 0.01W / 0.1kW
Power factor displayThree-digit LED, resolution 0.01
Preset functionOutput voltage, output frequency, output voltage up and down floating percentage preset
Shortcut functionCommonly used voltage and frequency conversion, output voltage floating up and down selection
Alarm functionAfter the protection device is activated, an alarm (sound and light) signal is issued, and the fault code is displayed
Overload capacity15s, 5s overload protection
Overheating protectionPower device temperature is greater than 85 ℃ ± 5 ℃
Enclosure ratingIP2X
Chassis structureCabinet type (with casters)
Working environmentTemperature: -10 ℃ ~ + 40 ℃; relative humidity: 10% ~ 90% (40 ℃)
Wiring method for reference:
China 120KVA AC Variable Frequency Power Supply supplier

120KVA AC Variable Frequency Power Supply

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