High Voltage Test Equipment
Three-Phase Isolation Filter
Three-phase isolation filter rated 30 kVA at 0 to 800 V and 22 A, covering 0 to 200 Hz with attenuation of 60 dB or better from 10 kHz to 300 kHz and a partial discharge level of 3 pC or less at rated voltage. Supplied alongside the WF-100-0.001 non-partial-discharge coupling capacitor range.
Overview
Three-phase isolation filter rated 30 kVA at 0 to 800 V and 22 A, covering 0 to 200 Hz with attenuation of 60 dB or better from 10 kHz to 300 kHz and a partial discharge level of 3 pC or less at rated voltage. Supplied alongside the WF-100-0.001 non-partial-discharge coupling capacitor range.
Standards & Compliance
Benchmark standards for this equipment category
Systems in this category are commonly specified against these standards, linked to the issuing body. Final configuration and acceptance criteria follow the standard and edition you nominate.
- IEC 60060-1 — High-voltage test techniques - General definitions and test requirements
- IEC 60060-2 — High-voltage test techniques - Measuring systems
- IEC 60270 — Partial discharge measurements
- GB/T 16927.1 — High-voltage test techniques
- GB 7354 — Partial discharge measurement
Application Scenarios
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Get a QuoteDetailed Description
Main technical parameters of the three-phase isolation filter: working voltage 0 to 800 V; rated current 22 A; rated capacity 30 kVA; frequency 0 to 200 Hz.
Attenuation is 60 dB or better from 10 kHz to 100 kHz and 60 dB or better from 100 kHz to 300 kHz. The partial discharge level is Q of 3 pC or less at rated voltage.
Note: the rated capacity and the working voltage of the isolation filter can be customised to the customer requirement.
WF-100-0.001 non-partial-discharge coupling capacitors: OWF60-0.001 at 60 kV and 1000 pF, 160 x 740 mm, 13 kg; OWF120-0.0005 at 120 kV and 500 pF, 160 x 900 mm, 28 kg; OWF100-0.001 at 100 kV and 1000 pF, 160 x 900 mm, 28 kg; OWF120-0.001 at 120 kV and 1000 pF, 160 x 900 mm, 28 kg; OWF150-0.002 at 150 kV and 2000 pF, 160 x 1300 mm, 29 kg; and OWF250-0.0005 at 250 kV and 500 pF, 160 x 2000 mm, 32 kg. Dimensions are given as diameter x height.
Technical Specifications
| Working voltage | 0 – 800 V |
|---|---|
| Rated current | 22 A |
| Rated capacity | 30 kVA |
| Frequency | 0 – 200 Hz |
| Attenuation | 10 kHz – 100 kHz: 60 dB or better; 100 kHz – 300 kHz: 60 dB or better |
| Partial discharge level | Q of 3 pC or less at rated voltage |
| Customisation | Rated capacity and working voltage customised to the customer requirement |
| Coupling capacitor OWF60-0.001 | 60 kV, 1000 pF, diameter x height 160 x 740 mm, 13 kg |
| Coupling capacitor OWF120-0.0005 | 120 kV, 500 pF, diameter x height 160 x 900 mm, 28 kg |
| Coupling capacitor OWF100-0.001 | 100 kV, 1000 pF, diameter x height 160 x 900 mm, 28 kg |
| Coupling capacitor OWF120-0.001 | 120 kV, 1000 pF, diameter x height 160 x 900 mm, 28 kg |
| Coupling capacitor OWF150-0.002 | 150 kV, 2000 pF, diameter x height 160 x 1300 mm, 29 kg |
| Coupling capacitor OWF250-0.0005 | 250 kV, 500 pF, diameter x height 160 x 2000 mm, 32 kg |
Frequently Asked Questions
What are the main ratings of the three-phase isolation filter?
What attenuation does the filter provide?
Can the filter be customised?
Further Reading
Method and selection guides that cover the tests this instrument performs.
Reviewed by the Application Engineering Team at Nanjing Gaodian Electric Power Equipment
Specifications are taken from the manufacturer’s technical documentation. Final configuration and acceptance criteria follow the standard and edition you nominate — tell us your test list and we will confirm the ratings.
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