Products
120KVA AC Variable Frequency Power Supply
Products Description
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 capacity
120KVA (can be customized)
Input power supply
Three-phase four-wire 220V±10%,60Hz or 380V±10%,50Hz
Output phase voltage range
Single-phase: low range 0.0 ~ 150.0V, high range 0 ~ 300.0V, resolution 0.1V
Output line voltage range
Single-phase: low range 0.0 ~ 260.0V, high range 0 ~ 520.0V, resolution 0.1V
Output voltage tolerance
110V and 220V:±1%, others are ±1.5%；
Output frequency
45 ~ 400Hz, resolution 0.1Hz; fixed frequency output: 50Hz, 60Hz, 400Hz
Frequency stability
≤0.01%
Voltage stability
≤1%
Distortion
≤2% (Resistive load)
Crest coefficient
3:1
Source voltage effect
≤1%
Load effect
≤1%
Effectiveness
≥80% (3kVA and below capacity ≥70%)
Frequency display
Four-digit LEDs, resolution 0.1H
Voltage display
Four-digit LED, resolution 0.1V
Current display
Four-digit LED, resolution 0.001A / 0.1A
Power display
Four-digit LED, resolution 0.01W / 0.1kW
Power factor display
Three-digit LED, resolution 0.01
Preset function
Output voltage, output frequency, output voltage up and down floating percentage preset
Shortcut function
Commonly used voltage and frequency conversion, output voltage floating up and down selection
Alarm function
After the protection device is activated, an alarm (sound and light) signal is issued, and the fault code is displayed
Overload capacity
15s, 5s overload protection
Overheating protection
Power device temperature is greater than 85 ℃ ± 5 ℃
Enclosure rating
IP2X
Chassis structure
Cabinet type (with casters)
Working environment
Temperature: -10 ℃ ~ + 40 ℃; relative humidity: 10% ~ 90% (40 ℃)
