Key facts
- Manuals
- 1
- Languages
- ZH
- Last added
- 2012-03-14
Featured WDGII manuals
WDGII Magnetic Minute Tap Switch User Manual
This manual describes the WDGII non‑excited magnetic minute tap switch, which is used on oil‑immersed transformers rated up to 110 kV, 1000 A and 50 Hz. It includes a product overview, model description, key technical parameters, structural features, working principle, dimensions, wiring diagrams, and installation guidelines.
Installation, operation, and maintenance procedures are detailed, emphasizing the need for the transformer to be de‑energized and the switch to be dry before use. The document also explains the correct hand‑turning method to ensure reliable contact and provides periodic maintenance recommendations. This manual is written in Chinese.
Covers: Overview · Model Description · Main Parameters and Performance · Structural Features and Working Principle · Dimensions and Wiring Diagram · Installation, Operation and Maintenance
Latest WDGII manuals
WDGII Magnetic Minute Tap Switch User Manual
User Manual 7 pages · 435 KB · ZHThe WDGII magnetic minute tap switch manual provides overview, specifications, installation, operation, and maintenance instructions.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in WDGII manuals
How often should the switch be operated during normal operation?
If the voltage is unchanged, the switch should be operated at least once every three years, rotating the hand for more than ten cycles.
How can reliable contact be ensured when switching?
Rotate the hand past the indicated position, then reverse to the stop position; this guarantees reliable contact.