How to test a coil on a motor?

Usually we use some motor stator winding coil testers.The testing process of the motor stator winding coil tester is quite simple. It only requires three steps to obtain the test results：

1.  Connect:：Securely attach the motor stator under test to the tester.

2.  Start：Press the start button or slide the fixture cover. The tester automatically  runs all configured tests.

3.  Read Results：The display screen of the coil tester shows the test result data and the test curve. The test is completed.

However, ordinary coil testers have limited testing capabilities and can only detect relatively obvious defects. However, some hidden issues such as winding and embedding errors, local wiring mistakes, and surge defects cannot be directly identified, which may cause the motor stator winding coil before leaving the factory was missed inspection.

AIP Winding Coil Tester: Comprehensive Testing for Critical Faults 

Motor stator coil manufacturing (using single or multiple wires) is prone to various faults: Connection errors, output errors, coil wire diameter errors, coil unit reverse embedding, incorrect turns count, poor insulation between surge, surge short circuit, poor insulation between phases, phase-to-phase short circuit, poor insulation between the winding and the core, winding-to-core short circuit, reverse embedding, etc.

AIP winding coil tester offers the following core testing items, precisely identifying all the aforementioned defects:

1. DC Resistance Measurement：Measures the DC resistance of each phase winding. Identifies incorrect wire gauge, severe shorts, open circuits, and excessive turn count deviation.

2. AC Hi-pot Test：Applies a specified high AC voltage between windings and the core for a duration to verify dielectric strength. Detects insulation breakdown risks or short circuits.

3. Insulation Resistance Test：Applies a DC voltage between the winding and core to measure insulation resistance. Evaluates winding-to-core insulation integrity, detecting leakage currents or potential shorts.

4. Surge Test：Applies a high-voltage impulse with specific waveform across windings.It can effectively identifies surge insulation failure, shorts, turn count errors,reverse coil embedding, and wiring mistakes through comparative waveform analysis. 

AIP Winding Coil Tester: 4 Major Advantages, Precise Testing

AIP motor stator winding coil tester not only solves the aforementioned problems but also has the following advantages:

1. Simplified Operation, Comprehensive Testing：Initiate all preset tests with a single button. Fast, automated operation eliminates manual steps, drastically reducing testing time and boosting efficiency.

2. Broad Applicability, Multi-functional in One Tester : Universally suitable for testing stator coils across various motor types offering except ional versatility.

3. Intelligent System, Trouble-Free Operation：The tester supports intelligent self-checking, remote fault diagnosis, and online software upgrades,no need to wait. The system can be updated via the network. Each time the instrument is powered on, it automatically performs a test to ensure normal operation and factory quality every day.

4.Data Management, Efficient and Convenient: The tester supports networked data storage, enabling data exchange and sharing. There is no need for manual re-entry, making it easy to retrieve test data and saving a significant amount of time.

AIP focus on global motor testing. Our various types of motor stator winding coil testers can meet the testing needs of multiple types of motors. Contact us to obtain a free motor testing solution！