Variable Frequency Series Resonance Test Complete Set





Variable Frequency Series Resonance Test Complete Set



 



Working Environment



 



Ambient temperature: -15°C – 40°C;



Relative humidity: ≤90%RH;



Altitude: ≤3500 meters;



Variable Frequency Series Resonance Test Complete Set



 



Main Applicable Scope



 



1. Meet the AC withstand voltage test of 300mm², 10kV cable, length 1.5km, capacitance ≤0.555uF, test frequency 30~300Hz, test voltage U≤22kV.



2. Meet the AC withstand voltage test of transformers below 100MW/10kV, capacitance ≤0.02uF, test frequency 45~65Hz, test voltage U≤28kV.



3. Meet the AC withstand voltage test of 10kV substation system, test frequency 30~300Hz, test voltage U≤42kV.



 



 



Technical Specifications and Performance



 



1 System Technical Parameters



1.1 Rated output voltage: 0～50kV



1.2 Resonant voltage waveform: sine wave, waveform distortion rate <1.0%



1.3 Maximum test object current: 1A



1.4 Maximum test capacity: 75kVA



1.5 Output frequency: 30～300Hz



1.6 Working time: continuous working time 15min at full power output



1.7 Quality factor: 30～90



1.8 Input working power: two-phase 380V±5%, 50Hz



1.9 Ambient temperature: -15℃～+40℃



1.10 Relative humidity: <90RH%, no condensation



1.11 Altitude: <3500m



1.12 Noise: ≤50dB



 



2 System Performance Characteristics



 



4.2.1 Fully utilize our company's advantages in electronic measurement technology and electromagnetic compatibility, independently develop, design and produce all components of this equipment including: variable frequency power supply, excitation transformer, cast-type high-voltage reactor and high-precision capacitive voltage divider.



4.2.2 Equipped with manual/automatic modes, large screen display, test parameter setting, and has automatic timing and operation prompt functions.



4.2.3 Equipped with multiple protection functions, such as: overvoltage, overcurrent protection, discharge protection, detuning protection, etc.



 



 



Capacity Determination



 



Meet the AC withstand voltage test of 300mm², 10kV cable, length 1.5km, capacitance ≤0.555uF, test frequency 30~300Hz, test voltage U≤22kV.