
I.No local discharge frequency conversion power supply basic features
lThe input and output are completely isolated, the power supply is safe and reliable;
lSPWM sine wave pulse width modulation technology, fast response speed, stable output
l IGBT high-frequency static inverter, small volume, light weight, low noise, high efficiency;
l Adopting unique double-loop control mode of instantaneous value and RMS value, with high control precision and good waveform quality, which can be adapted to various loads;
l High-power IGBT module and highly integrated module driving circuit, reliable operation, strong overload capacity, low loss and high efficiency;
l Applicable to resistive, inductive, rectifier and other loads;
l With overheating, overcurrent, short-circuit and other abnormal conditions protection function;
l With setting parameter memory function, shortcut key operation;
l The power supply voltage can be adjusted online, and the output frequency can be set;
l A variety of test modes to adapt to a variety of test adjustments
II.Technical specification
Model  | IPS-ATD3000  | |
Capacity  | 300KVA  | |
Input  | Phase  | Three-phase three-wire + ground wire  | 
Voltage  | 380V ±10%  | |
Frequency  | 50/60Hz±5Hz  | |
AC output  | Phase  | Three-phase four-wire + ground wire, transformer isolated output  | 
Output voltage  | 0-1000V (LL)  | |
Loading effect  | ≤±1% FS  | |
Output current  | 173.5A  | |
Frequency  | 45.0-300.0Hz Adjustable  | |
Adjustment amplitude  | 0.1Hz  | |
Frequency stability  | ≤±0.03%  | |
Total harmonic content  | ≤2% (Resistive load)  | |
Waveform  | Sine Wave  | |
Source voltage effect  | ≤±1% FS  | |
Loading effect  | ≤±1% FS  | |
Discharge capacity of the authority  | ≤5PC  | |
Phase angle  | 120°±1°  | |
Display device 
  | show  | 10-inch color LCD touch screen  | 
Output phase voltage  | Resolution 0.1V, Accuracy: ±(0.5% reading + (±0.2% range)  | |
Output frequency  | Resolution 0.1Hz, Accuracy: ±0.02% reading  | |
Output current  | Resolution 0.1A, Accuracy: ±(0.5% reading + (±0.5% range)  | |
Output Power  | Resolution 0.1KW, Accuracy: ± (0.5% reading + (± 0.5% range)  | |
Efficiency  | ≥85%  | |
Air noise  | <80dB (at 3 meters under rated voltage)  | |
Control  | With power failure output, indicator light and emergency stop button;  | |
Communication  | RS-485 (modbus rtu protocol) & RJ-45 Ethernet (modbus tcp protocol)  | |
Protection function  | Overcurrent, short circuit, overload, overheating and other protection devices will send out alarm signals and display fault information after they are activated  | |
Overload capacity  | 120% 30S  | |
Dielectric strength  | Input/output, to housing: AC1500V/1min, Leakage current <20mA  | |
Insulation resistance  | Input to output and housing: ≥20M (DC1000V); output to housing>20M (DC500V)  | |
Usage environment  | Temperature: -10℃~40℃, humidity: 10%~90% (25℃, no condensation) ≤2000m  | |
Dimensions (MM)  | Power supply host size: 1780*1800*850 Filter size: 800*1800*850  | |
Weight (KG)  | 1500+450  | |