Electrical Machines: Unit III: b.Testing of D.C. Machines

Introduction

Testing of D.C. Machines

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For any d.c. machine whether it is a generator or a motor, its efficiency is important. It should work efficiently.

Introduction

• For any d.c. machine whether it is a generator or a motor, its efficiency is important. It should work efficiently. This means that the losses must be as small as possible in d.c. machines. The losses will determine the heating of the machine and hence the rating or power output that can be obtained without insulation failure. The various tests are performed to obtain the information about the various losses taking place in a d.c. machine.

Electrical Machines: Unit III: b.Testing of D.C. Machines : Tag: : Testing of D.C. Machines - Introduction

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Electrical Machines: Unit III: b.Testing of D.C. Machines

Testing of D.C. Machines

Introduction - Testing of D.C. Machines

Losses in a D.C. Machine

Efficiencies of a D.C. Machine

Testing of D.C. Motors - Direct and Indirect Method

Swinburne's Test or No Load Test - Advantages, Disadvantages, Solved Example Problems | Testing of D.C. Machines

Brake Test - Advantages, Disadvantages, Solved Example Problems | Testing of D.C. Machines

Retardation Test or Running Down Test - Testing of D.C. Machines

Hopkinson's Test - Advantages, Disadvantages, Solved Example Problems | Testing of D.C. Machines

Field Test - Solved Example Problems | Testing of D.C. Machines

Separation of Core Losses - DC Machines

Two Marks Questions with Answers - Testing of D.C. Machines | Electrical Machines

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