HUAC-22/22-10kV
10 kV Variable Frequency Series Resonant Test System
AC withstand testing of 10 kV cables, switchgear and transformers, tuning to resonance anywhere from 30 to 300 Hz.
IEC 60060-1DL/T 849.6
MODEL HUAC-810kVA/270kV/27kV
810 kVA / 270 kV Variable Frequency Series Resonant Test System
810 kVA series resonant test system with two output levels, 270 kV / 3 A or 27 kV / 30 A, for AC withstand tests on cables, transformers, GIS and generators.
- Real-time display of frequency and voltage curves
- Overcurrent, overvoltage and flashover discharge protection
- Large colour touch-screen LCD
- Manual, automatic and semi-automatic operating modes
- Automatic frequency tracking and resonance calculation
- Modular reactors, detachable for transport, for flexible capacity and voltage matching
IEC 60060-1DL/T 849.6
Compare all 9 series resonant test systems and sizing guide →
Overview
The HUAC-810kVA/270kV/27kV is a high-capacity variable frequency series resonant test system for AC withstand voltage and insulation tests on high-voltage power cables, transformers, gas-insulated switchgear (GIS) and generators in power plants, substations and high-voltage laboratories. It is built for large test objects under demanding site conditions.
The system has two output levels from the same 810 kVA rating. With the modular reactor sections connected in series it reaches 270 kV at 3 A for high-voltage, lower-capacitance objects. With the sections in parallel it delivers 27 kV at 30 A for high-capacitance objects such as long medium-voltage cables and generator windings. The control unit sweeps the frequency between 30 and 300 Hz, tracks the resonant point automatically, and displays frequency and voltage curves in real time.
Typical system components
- Variable frequency power source with large touch-screen control unit
- Excitation transformer
- Modular high-voltage reactor sections, detachable for transport
- Capacitive voltage divider with corona ring (measurement and compensation)
See also the 216 kVA / 108 kV and 1500 kVA / 500 kV systems, or compare the full range.
Technical specifications
| General | |
|---|---|
| Model | HUAC-810kVA/270kV/27kV |
| Rated capacity | 810 kVA |
| Output | |
| Rated voltage | 270 / 27 (dual level) kV |
| Rated current | 3 A at 270 kV / 30 A at 27 kV |
| Frequency range | 30 – 300 Hz |
| Configuration | |
| Reactors | Modular, multi-stage, series or parallel connection; detachable for transport |
| Voltage divider | Dual function: measurement and compensation |
| Protection | |
| Protection functions | Overcurrent, overvoltage, flashover discharge |
| Control | |
| Display | Large colour touch-screen LCD |
| Operating modes | Manual, automatic, semi-automatic |
| Frequency tuning | Automatic tracking and resonance calculation |
| Environment | |
| Operating temperature | -10 – 45 °C |
| Relative humidity | ≤ 85 %, non-condensing |
Specifications may change without notice. Contact us for the latest datasheet.
Applications
High-voltage power cablesMedium-voltage cables (27 kV / 30 A level)Power transformersGISGeneratorsHigh-voltage laboratories
Downloads
The datasheet and user manual for this instrument are sent on request, usually within one business day.
Frequently asked questions
What do the two output levels mean?
Both use the same 810 kVA rating. With the reactor sections in series the system delivers 270 kV at 3 A, for high-voltage objects with lower capacitance. With the sections in parallel it delivers 27 kV at 30 A, for high-capacitance objects such as long medium-voltage cables and generator windings.
What can the 810 kVA / 270 kV system test?
AC withstand and insulation tests on high-voltage power cables, power transformers, GIS and generators, in power plants, substations and high-voltage laboratories.
Can the reactors be transported easily?
Yes. The reactor is built from modular sections that are detached for transport and stacked again on site.
What are the operating conditions?
The system operates from -10 °C to 45 °C at a relative humidity of up to 85 % without condensation.
How do I choose between this and the other HUAC resonant systems?
It depends on the capacitance of your largest test object, the test voltage and the test frequency. Send us the details, or see the sizing guide and comparison table on our series resonant test system page.
Have another question? Ask our application engineers.
Request a quote
Get pricing for the 810 kVA / 270 kV Variable Frequency Series Resonant Test System
Tell us the asset ratings and site conditions. A sales engineer will reply with a recommendation and quotation.
- We reply within one business dayA sales engineer reads your request and asks for anything missing.
- You get a recommendationThe right model and options, with a datasheet and quotation.
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IEC 60270IEC TS 62478
HUAC-XB
Variable Frequency Series Resonant Test System, XB Series
XB series resonant test system, 20–300 Hz, Q > 50, distortion < 1 %, units under 40 kg, for AC withstand tests on cables, transformers, GIS and generators.