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There are two main types of stators: salient pole stators and non-salient pole stators.
Salient pole stators have protruding poles, which are commonly used in hydroelectric generators.
Non-salient pole stators have a smooth cylindrical shape and are typically used in gas and steam turbines.
Other types of stators include wound stators and squirrel cage stators.
A u dol diagram is a type of electrical diagram used to represent a three-phase transformer connection.
A u dol diagram consists of three sets of windings connected in a U shape, with the primary winding connected to the supply and the secondary winding connected to the load.
The diagram shows the connections of the primary and secondary windings, as well as the neutral point if applicable.
U dol diagrams are commonly use...
There are two main types of motors: AC motors and DC motors.
AC motors: Alternating current motors that are commonly used in household appliances and industrial applications.
DC motors: Direct current motors that are often used in small household devices, electric vehicles, and robotics.
Electricity is the flow of electric charge through a conductor.
Electricity is the flow of electrons through a conductor.
It is a form of energy that powers electrical devices.
Electricity can be generated from various sources such as coal, wind, solar, etc.
It is essential for modern society and is used in various applications like lighting, heating, and transportation.
Motor kaise check karte h?
Cabale ka size kaisa hota h?
Mageer kya hota h?
Dol startater kaise banaye ?
Aur startater ka kya kam hota h?
Mpcb ka full form kya h?
posted on 29 Nov 2022
I applied via Walk-in and was interviewed in May 2022. There was 1 interview round.
The capacity of a furnace refers to its heating output, typically measured in BTUs or tons.
Furnace capacity is determined by the amount of heat it can produce.
It is usually measured in BTUs (British Thermal Units) or tons.
Higher capacity furnaces can produce more heat and are suitable for larger spaces.
For example, a furnace with a capacity of 80,000 BTUs can heat a larger area compared to one with a capacity of 40,000
Drive components in CCM department are the parts that enable the motor to function properly.
Drive components include motors, gears, belts, and pulleys.
They work together to transfer power from the motor to the machine.
The components must be properly sized and aligned to ensure efficient operation.
Examples of machines that use drive components include conveyor belts, pumps, and fans.
posted on 14 Sep 2022
I applied via Approached by Company and was interviewed before Sep 2021. There was 1 interview round.
Composite error and ratio error are two types of errors in current transformers.
Composite error is the combination of ratio error and phase angle error in a current transformer.
Ratio error is the difference between the actual turns ratio and the specified turns ratio of a current transformer.
Phase angle error is the angular difference between the primary and secondary currents of a current transformer.
Composite error a...
An AC drive circuit diagram controls the speed of an AC motor by varying the frequency and voltage of the power supplied to it.
An AC drive consists of a rectifier, DC link, inverter, and control circuitry.
The rectifier converts AC power to DC power, which is stored in the DC link.
The inverter converts the DC power back to AC power with variable frequency and voltage.
The control circuitry adjusts the frequency and volta...
A single line diagram of a distribution system is required with proper specifications.
The diagram should show the flow of power from the source to the load
It should include all components such as transformers, switchgear, and cables
The specifications should include voltage levels, power ratings, and protection devices
The diagram should follow standard symbols and conventions
Example: A 11 kV distribution system with a 5
Dewpoint test is done in transformer to check the moisture content in the insulation oil.
Moisture in insulation oil can cause breakdown of transformer insulation
Dewpoint test helps to determine the moisture content in the oil
It is a preventive maintenance measure to avoid transformer failure
The test involves cooling a mirror until dew forms on it, and measuring the temperature at which dew forms
Power transformers are used in transmission systems to step up or down voltage, while distribution transformers are used in distribution systems to step down voltage.
Power transformers are used in high voltage transmission systems to step up or down voltage for long distance transmission.
Distribution transformers are used in low voltage distribution systems to step down voltage for local distribution.
Power transformers...
Buchholz relay is used to protect transformers from faults by detecting gas and oil flow abnormalities.
Buchholz relay is installed in the pipe connecting the transformer tank and conservator tank.
It operates based on the principle that faults in the transformer generate gases and cause oil flow disturbances.
When gas or oil flow abnormalities occur, the relay trips and sends a signal to the control panel to isolate the ...
posted on 10 May 2022
I applied via Campus Placement and was interviewed in Apr 2022. There were 4 interview rounds.
posted on 21 Apr 2024
I applied via Company Website and was interviewed in Feb 2022. There was 1 interview round.
posted on 3 Jun 2022
I applied via Campus Placement and was interviewed in May 2022. There were 3 interview rounds.
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