Transformer Megger Test Sep 11, 2024
The megger has three terminal posts: one for "L", one for "E" and one for "G" (shield). L is connected to the ... view
Three Phase Transformer Testing Sep 11, 2024
The no-load test is designed to determine the variable ratio K of the three-phase transformer, the no-load current I0 and the no-load loss P... view
Voltage Transformer Testing Sep 11, 2024
Insulation resistance testingRequirements: to use 2500V megohmmeter. Compared with initial value and the values over the years, the winding ... view
Transformer Resistance Testing Sep 11, 2024
How to operate the DC resistance tester:1.Power supplyThere are two kinds of power supply supplied by DC resistance tester: AC220V/DC12V. In... view
Dry Type Transformer Testing Procedure Sep 11, 2024
How to shift gears of the dry type transformer:Operation steps:1. Wear insulating boots and gloves.2. Close the air circuit breaker of low-v... view
Electrical Transformer Testing Sep 11, 2024
Key points of electrical transformer testing:Rated Capacity (KVA): The capacity to be transported in continuous operation under rated curren... view
Testing Low Voltage Transformer Sep 11, 2024
Insurance Resistance Test of Transformer Low Voltage SideThe digital insulation resistance tester is used to measure the insulation resistan... view
High Voltage Transformer Testing Procedure Sep 11, 2024
Firstly, the insulation resistance and absorption ratio of the transformer winding are measured with a high voltage Megohm, and the DC resis... view
Winding Resistance Test Of Transformer Sep 11, 2024
The measurement for the temperature of windingThe temperature in the channel between the high and low pressure winding passages which is mea... view
Transformer Testing Methods Sep 11, 2024
Different capacity transformers, different measurement methods, different voltage grades, different core structures and so on, their measure... view
Power Transformer Testing Sep 11, 2024
(1) Inspection of transformer power transmission before operationCheck whether all kinds of test documents are complete, whether the primary... view