You are Working as a plant electrician. You were told that a large DC motor was returned from the rewind shop and was installed on the previous shift. The motor seem to operate properly until the load was added. The motor then stopped, reversed direction, and begun to run at high speed. What is the probable cause of the trouble, and what would you do to correct the problem? Explain your answer.

Question

You are Working as a plant electrician. You were told that a large DC motor was returned from the rewind shop and was installed on the previous shift. The motor seem to operate properly until the load was added. The motor then stopped, reversed direction, and begun to run at high speed. What is the probable cause of the trouble, and what would you do to correct the problem? Explain your answer.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Engineering
Mechanical Engineering

Other

Related Mechanical Engineering Q&A

Find answers to questions asked by students like you.

Q: A small centrifugal pump is used to deliver 0.005 m/s of water to level 2 as shown in Fig. 2. Neglec...

A: Click to see the answer

Q: The jib crane AB shown is supported by a link member BC and a hinge at A. Neglecting the weight of t...

A: Click to see the answer

Q: Different companies   use product mix price strategies when they are expanding the product line. Dis...

A: Product mix is a type of portfolio of products that refers to the complete set of services and produ...

Q: Write short notes on six (6) factors upon which the selection of tractors depends.

A: Proper selection of any machinery is very important for generating required amount of power. Selecti...

Q: What are the possible energy sources and energy transfer systems of a purely mechanical machine?

A: A purely mechanical machine is a simple mechanical device such as scissor, manual punching machine, ...

Q: Can you solve it please?

A: Solution : First, we calculate the support reaction at  A & E  

Q: Consider the process of heating water on top of an electric range. What are the forms of energy invo...

A: In the electric range, a high resistance coil is there. when a high-current flows through this coil,...

Q: The resistance of a copper wire used to make a motor is 0.5 Ω at 25oC and 0.8 Ω at themotor’s operat...

A: Click to see the answer

Q: Bottles for room spray are supposed to weigh exactly 16 oz. Inspectors want to develop process contr...

A: The sample size is given as, The mean weights are given as, X-bar is calculated as, The control l...