HUAC-2071
Three-Phase Transformer Turns Ratio Tester (TTR), Battery Powered
Battery-powered three-phase TTR tester: ratio, vector group and polarity in about 10 seconds with one connection, ratio 0.9 to 10,000, 3.5 kg.
MODEL HUAC-506D
Transformer Capacity and No-Load Loss Tester
Transformer capacity, no-load and load-loss tester with 7-inch touch screen: checks distribution transformer capacity and energy efficiency class on site.
- Capacity, no-load loss and load loss in one instrument
- Full-current load test up to 1000 kVA; one-third current up to 3150 kVA
- Judges energy efficiency class of 10 kV oil-immersed and dry-type distribution transformers
- Automatic range switching and automatic correction of results
- 7-inch wide-temperature touch screen with brightness control
- Stores over 1000 results; USB export
- English user interface; English operating system available
Overview
The HUAC-506D measures the capacity, no-load loss and load loss of distribution transformers and judges their energy efficiency class on site. It switches ranges internally, so voltage and current are measured over a wide range with simple wiring.
One unit carries out load tests at full rated current on distribution transformers up to 1000 kVA, and at one-third of rated current on transformers up to 3150 kVA, converting the result to rated-current load loss automatically. All results are corrected automatically. External voltage and current transformers extend the range further.
See the full range of transformer test equipment, or send us your transformer data and we will recommend the right instrument.
Technical specifications
| Capacity test | |
|---|---|
| Output current | 0 – 10 A |
| Voltage measurement | 0 – 10 V |
| Capacity range | 30 – 65,000 kVA |
| Characteristic test | |
| Voltage | 20 – 650 V |
| Current | 0.5 – 100 A |
| Frequency | 45 – 65 Hz |
| Accuracy | |
| Voltage, current | ±(0.2 % of reading + 2 digits) |
| Power (0.2 ≤ cos φ ≤ 1) | ±(1.0 % of reading + 2 digits) |
| Capacity | ±(10 % of reading + 2 digits) |
| General | |
| Insulation | ≥ 100 MΩ to case; 2 kV for 1 min at power input |
| Dimensions | 380 × 310 × 155 mm |
| Weight | 4.5 kg (without leads) |
| Interface language | English |
| Environment | |
| Temperature | -20 – 50 °C |
| Humidity | 10 – 85 % |
| Altitude | < 2500 m |
Specifications may change without notice. Contact us for the latest datasheet.
Applications
Distribution transformersIncoming inspection of new transformersEnergy efficiency checksUtility audits
Downloads
The datasheet and user manual for this instrument are sent on request, usually within one business day.
Frequently asked questions
Why measure transformer capacity on site?
To check that a distribution transformer really has the capacity on its nameplate, for example when receiving new units or auditing installed transformers.
Can it test transformers larger than 1000 kVA?
Yes. Up to 3150 kVA it tests at one-third of rated current and converts the result. With external VTs and CTs the range can be extended further.
Which efficiency classes can it judge?
It measures losses low enough to judge oil-immersed transformers down to class S22 (electrical steel) and SH25 (amorphous alloy), and dry-type transformers down to SCB18 and SCBH19, under the Chinese energy efficiency classification.
Have another question? Ask our application engineers.
Request a quote
Get pricing for the Transformer Capacity and No-Load Loss Tester
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- You get a recommendationThe right model and options, with a datasheet and quotation.
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