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  • DC Motor
Showing 1-9 of 27 results
Drum wound armature of dc motor

Gramme Ring and Drum Wound Armature in DC Motors

  • Categories DC Motor

A DC motor can be made using different types of armatures based on its application. There are 2 types of armatures. Gramme Ring Armature Drum Wound Armature Gramme Ring Armature …

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dc motor starter need working

Need of a Starter (3 & 4 Point) in DC Motors

  • Categories DC Motor, Electrical Machines

We use 3 and 4 point starters in DC motors. What happens if a DC motor is started without a starter? Let’s check it. Consider a dc motor at standstill. When …

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dc motor voltage and power equations

Voltage and Power Equations of DC Motor | Condition of Maximum Power

  • Categories Electrical Machines, Basic Electrical, DC Generator, DC Motor, Measurement

In this post, we will look at the voltage and power equation of a dc motor and the condition for maximum power in a dc motor. Voltage Equation of a …

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star delta

How Star Delta Starter Works?

  • Categories Electrical Machines, Basic Electrical, DC Motor, Three Phase Induction Motor

Star-Delta starting is frequently referred to as “Soft-starting” a motor. But what is soft about his starting method? Why is it used? What are the advantages? What are the disadvantages? In …

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dc motor characteristics

Characteristics of DC Series Motor

  • Categories Electrical Machines, DC Motor

In this post, we will look into the characteristics of a DC series motor. A DC series motor is one type of DC motor in which field winding is connected …

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Build a simple dc motor at home

How to Make a DC Motor at Home?

  • Categories Electrical Machines, DC Motor, Projects

DC Motors works on the principle that they convert electrical energy (from a battery or voltage source) into mechanical energy (used to cause rotation). Are you thinking of making a …

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Why Electric Motors Rated in KW

Why Electric Motors are Rated in kW and not in kVA?

  • Categories DC Motor, Electrical Machines, Interview Questions

Unlike Generators and Transformers, Electric Motors are rated in kW instead of kVA. We have already discussed why electric transformers are rated in kVA. This article explains why electric motors …

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Testing a DC Motor

How to Change the Direction of Rotation of a DC Motor?

  • Categories DC Motor, Electrical Machines

There are two types of DC motors – Brushed DC motor and Brushless DC motor. The direction of rotation of these motors is controlled by different methods. Brushed DC Motor …

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Swinburne’s Test

Swinburne’s Test of DC Machine (Generator and Motor)

  • Categories DC Generator, DC Motor, Electrical Machines, Instrumentation, Measurement

Swinburne’s test is the simplest indirect method of testing dc machines. In this method, the dc machine (generator or motor) is run as a motor at no-load and losses of …

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