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Electric motors are very common industrial machinery used in a range of applications, from home appliances to industrial machinery, even in electric vehicles, driving progress and innovation in the economy. There are different types of electric motors based on the type of power supply: DC motors and AC motors. They operate by converting electrical energy into rotational force through the help of electromagnets.

As such, electric motors are extremely precise devices with complex components like wire, insulators, and cores, making it essential to be checked regularly. In today’s article, we will discuss different types of electric motors, explore the various testing methods, and look at some electric motor uses.

Why Is Electrical Testing Done?

Electrical testing is necessary to ensure the perfect functioning and reliability of electric motors and other power-generated working equipment. It helps you avoid electrical hazards by identifying and processing potential faults and ensuring your safety. 

The primary reason for an electric motor failure is electrical collapse. Or problems like rotor problems, winding issues, insulation damage, power cut-off, thermal overload, or even damaged wires. When such a problem occurs, it leads to excess heat generation, which results in an inefficient electric motor that needs repair. 

Hence, electrical testing is conducted to avoid such situations. With the early detection of errors, you can save time and money. Worried about where to get your electrical testing done?

Get in touch with our team of the best technicians and engineers at Laxmi Associates. 

Electric Motor Testing Panel

Electrical faults in the motor are common to happen, but if ignored, they are most dangerous for the motor’s efficient working. These faults are usual and having regular electrical testing to avoid motor failures. The primary reason behind motor failures is electrical collapse. Some other issues may also include rotor problems, winding issues, damage in insulation, power cut off, thermal overload, and damaged wires. All this damage leads to stress and excess heat on the motor, which decreases its working capacity, thus requiring repair or testing. An electrical motor testing will let you know the damage done and the solutions to act upon the prevalent worry. To get your electric moto testing by the best technicians and engineers, get in touch with us at Laxmi Associates. We are a team of professional experts in motor assessment and remaining life assessment of major power transmission and machines.
Our electrical motor testing panel can also conduct onsite motor testing for you. Our services include:
Some of the winding faults are:
  • Thermography, Noise, Vibration Measurement
  • On-line & Off-line Partial discharge measurements.
  • Online Motor Current Signature Analysis for fault identification in motor

Different Types Of Electric Motor Testing

There are various ways to test electric motors due to the number of complex components they are constituted of. Some of the most common ones are:

There are various ways to test electric motors due to the number of complex components they are constituted of. Some of the most common ones are:

  • Electric Motor Impulse Testing: It tests your electric motor’s ability to tolerate voltage fluctuations through impulse testing. 

  • Electric Motor Rotation Testing: The rotational direction of the motor is checked to avoid damage to the load.

  • Wound Rotor Electric Motor Testing: Winding resistance, Insulation resistance, and rotor circuit tests are performed to evaluate the performance of wound rotor motors. 

  • Insulation Resistance Testing: The quality of insulation is assessed through this test by applying high voltages and checking for insulation breakdown, contamination, or degradation.

  • DC Step Voltage Test: This test detects damaged insulation that might cause failure under high voltage conditions to ensure safety hazards. 

  • Automated Tests: Tests like vibration analysis, temperature monitoring, and others are performed automatically to check for the efficiency and accuracy of the motors.

Benefits Of Electric Motor Testing 

Being smooth and functional helps an electric motor offer various electric motor uses. Some of the most common benefits of different types of electric motors testing are:

  • Increased workload 

  • Fewer repair costs 

  • Reliability 

  • Energy efficient 

  • Improved safety


In short, testing electric motors is important to ensure their best performance, reliability, and security. Conducting regular tests allows for early detection of errors saving you money, hassles, and time. It helps your electric motor reduce downtime and repair expenses and promises a safe working environment. 


Hence, companies must not ignore their operational expenses, especially with so many electric motor uses offered. Want to get your electric motor a maintenance check? Connect with the equipped team of technicians at Laxmi Associates today! 


Looking for onsite machinery testing? Laxmi Associates got your back. Get in touch with us today. 


1. How Do You Test An Electric Motor? 

Testing an electric motor requires various tests and evaluations to assess and ensure the smooth working of the appliances and machinery. Some commonly performed tests include insulation resistance, winding resistance, voltage tests, etc.

2. What Is An Electric Motor? 

An electric motor, in simple words, is a machine that converts electrical energy into mechanical energy to perform operations.

3. What Is The Working Principle Of An Electric Motor?

The working principle of an electric motor is generally based on its types: 

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