HFC 50kW Frequency Converter

Mode: HFC 50kW
1) Rated input voltage: 380V±10% (three phase); 50Hz 
2) Rated output power: 50kW 
3) Rated input current: 131.5A 
4) Rated output voltage: single phase, 0-350V continuous adjustable 
5) Rated output current: 142.8A 
6) Output waveform: sin wave 
7) Output voltage instability: ≤1.0% 
8) Frequency adjusting range: 30Hz~300Hz 
9) Frequency adjusting sensitivity: ≤0.01Hz, output frequency instability ≤0.05% 
10) Partial discharge level<5 @ rated power.  Sound level ≤80dB 
11) Working time: one hour on, one hour off, 3cyles per day. 
12) Frequency adjusts within setting range, voltage output stable. 
13) Power supply cable: 6x50m 120mm2 equip basic accessory. 
14) Variable frequency power source and control cabinet, voltage divider and control cabinet are connected by optical cable, making sure no damage to control cabinet when test object breakdown. 
15) Main body is separated from control, display, protection parts. Main body and protection are in one. 
16) Display is in one (separate). Control and display are portable. 
17) Variable frequency power source has the ability of anti anti-electromagnetic interference. Under high field interference, Its measuring accuracy and control protection can meet requirement. 
It equips with excellent magnetic shielding component. All lead wire are made of high permeability magnetic alloy , no space radiation. 

 
Variable frequency power source control cabinet: 
1) Equips starting, stop and emergency switch - off button;
2) Equips raise voltage and reduce voltage rough adjustment and fine control button(voltage raise and down speed are settable);
3) Equips frequency rough adjustment and fine control button (Adjusting speed is settable);
4) Cooling fan direction automatically selection;
5) Automatic and manual test selection (Auto tune, automatic raise and reduce voltage);
6) Equip test methods auto selection function, automatic test methods: setting test voltage, test time, auto tune --- auto raise voltage --- auto constant voltage and timing --- auto reduce voltage. 
7) Manual test methods also has the selection of auto tune and auto timing;
8) Equips output voltage, over-voltage protection and over-current protection setting value adjusting function;
9) Equips testing time setting function, time setting range:0-99min, timing accuracy±0.1second, end of setting time has sound reminding.

Principle Diagram: