15kVA 50kV AC DC Hipot Test Set

Product Introduction

MEYD-W15kVA-50kV Power Frequency AC/DC Withstand Voltage Test gadget The TDM(G) type AC/DC high-voltage test transformers in the MDYD series are manufactured in accordance with the Ministry of Machinery and Electronics' "Test Transformers" standard, which incorporates significant advancements over earlier models of a similar nature. This new product series was developed by improving the JB/T 9641-1999 standard. These transformers are lightweight, small, have an integrated construction, extensive functionality, great versatility, and are easy to use. JB/T 9641-1999. Compact size, light weight, integrated structure, extensive functionality, high adaptability, and easy operation are characteristics of this series. It is especially useful for testing the insulation strength of different high-voltage electrical equipment, components, and insulating materials in power systems, mining and industrial businesses, and research facilities under power frequency or DC high voltage. It is a necessary piece of equipment for testing at high voltages.

Product Parameter (specification)

Rated Capacity	15kVA
Rated Output High Voltage	50kV (RMS)
Power Input	50Hz 220V (380V for 10kVA and above). After connecting to the matching control box/panel, the primary winding input voltage can be adjusted to 0~200V (or 0~400V).
Winding Connection	Single-phase transformer, connection group designation I.I
Output Type
MEYD (G) Series	Power frequency AC output
TDM (G) Series	Dual-purpose AC/DC (AC output when shorting bar is connected; DC output when shorting bar is disconnected)
High-voltage silicon stacks (TDM (G) series only)	Connected in series with the high-voltage circuit for half-wave rectification to obtain high-voltage DC.

Product feature and application

1. Compact Structure:

Coaxial winding arrangement combined with a single-frame iron core reduces leakage flux and guarantees good coupling. The octagonal housing's tiny footprint, lightweight construction, and attractive appearance make it easy to handle.

2. All-inclusive Functionality:

The TDM(G) series provides switchable AC/DC modes to satisfy various insulation strength testing needs, while the MEYD(G) series covers power frequency AC withstand voltage testing.

3. Flexible Adaptability:

Works with a variety of test specimens, such as insulators, transformers, and cables; supports cascaded voltage boosting with several units; can be dismantled for standalone use; and is an affordable investment.

4. Easy to Use:

Offers clear wiring, handles, and dedicated connectors. When used with auxiliary equipment, selectable voltage-boosting techniques allow for quick testing.

5. Safe and Dependable:

Adheres to national regulations. includes ball gap overvoltage protection and grounding protection for safe, regulated testing.

Prodection details

Suitable for power systems, industrial and mining enterprises, and research institutions, this equipment conducts power frequency/DC high-voltage insulation strength tests on high-voltage electrical equipment, electrical components, and insulating materials.

Company Qualifications

FAQ

1)What structural design is adopted for the housing of the MEYD-W15kVA/50kV test transformer, and what are the advantages of this design?

Answer: The enclosure adopts an octagonal structure that complements the core design. Its advantages include an aesthetically pleasing appearance and seamless integration with the internal single-frame core and coaxially arranged windings. This design optimizes space utilization while enabling compact dimensions and lightweight construction, facilitating transportation and installation.

2)How does the TDM (G) series of the MEYD-W15kVA/50kV test transformer switch between AC and DC output modes?

Answer: The TDM (G) series high-voltage bushings incorporate high-voltage silicon stacks. When the shorting rod bridges these stacks, it generates power-frequency high voltage, switching to AC output mode. When the shorting rod is removed, the high-voltage silicon stacks are connected in series in the high-voltage circuit for half-wave rectification, providing high-voltage DC output.

3)When conducting cascaded tests using the MEYD-W15kVA/50kV test transformer, are there special grounding requirements for the second and third-stage transformers?

Answer: During cascaded testing, the low-voltage winding X terminals, measurement winding F terminals, and high-voltage winding X terminals (high-voltage tails) of the second- and third-stage test transformers must all be connected to the housing of their respective transformers. Furthermore, the housings of the second- and third-stage transformers must not be directly grounded; they must be grounded via insulating supports to accommodate their high potential relative to ground during operation.

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