High Voltage AC / DC Harmonic Filter Resistors in Uhvdc Transmission System
Fullde designs, builds and tests their harmonic filter resistors in accordance with applicable IEC and IEEE standards to guarantee their performance. With no two installations ever being the same, our experienced engineers develop the proper solution for your particular application and environment. Our low inductance designs are built using all stainless steel elements in corrosion resistant enclosures chosen for your unique specification. Request a quote for your custom harmonic filter resistor.
Fullde’s reputation in filter resistors has been built on over 11 years of field performance and independent test facilities, where we’ve proven our engineering and manufacturing prowess to be second to none.
The information that is needed for design:
* Nominal voltage,
* Current or power,
* Ohmic Value (with tolerance in %)
* Application areas;
* HVDC networks,
* Electrical induction furnaces.
Specification:
Characteristic | Unit | Parameter value |
Rated resistance | Ω | 500 |
Normal operating current resistance deviation | % | 5 |
Maximum deviation | % | 10 |
Resonant frequency | Hz | 1200/1800 |
Resonance values at resonant frequencies | mH | <1 |
Maximum continuous running current | Arms | 30.92 |
Main harmonic | n/Arms | 23/21.75 |
n/Arms | 25/16.93 | |
n/Arms | 35/10.38 | |
n/Arms | 37/4.99 | |
n/Arms | 17/3.83 | |
n/Arms | 49/3.53 | |
n/Arms | 47/3.30 | |
n/Arms | 15/2.04 | |
n/Arms | 7/2.03 | |
n/Arms | 1/2.00 | |
Temporary current | Arms | |
Maximum temporary current, 20 minutes | Arms | 31.42 |
Maximum temporary current, 0 minutes | Arms | 33.83 |
Normal operating current | Arms | 0.7cont |
Minimum current | Arms | 0 |
Transient current | kAcrest | 1.789 |
Time | s | 10 |
Impact energy | KJ | 813.096 |
time | ms | 10 |
Minimum creepage distance | mm/KV | 47 |
Power frequency withstand voltage | KVrms | 230 |
Run cycle | continuous | |
Cooling method | Natural air cooling | |
Installation method | Two layers of piled up | |
Weight | Kg | 1200 |
Protection class | IP23 |