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What is the first step in the design of the field regulators for dc motor?
Answer: a Explanation: 2 machines are considered in the design of field regulators for dc machines. They are the shunt generators and shunt motor. The first step is the calculation of number of sections.
Answer: a
See lessExplanation: 2 machines are considered in the design of field regulators for dc
machines. They are the shunt generators and shunt motor. The first step is the
calculation of number of sections.
What is the last step involved in the design of field regulators for shunt generators?
Answer: c Explanation: 2 machines are considered in the design of field regulators for dc machines. They are the shunt generators and shunt motor. The last step is the calculation of resistance of section.
Answer: c
See lessExplanation: 2 machines are considered in the design of field regulators for dc
machines. They are the shunt generators and shunt motor. The last step is the
calculation of resistance of section.
What is the second step in the design of the field regulators for dc machines?
Answer: d Explanation: 2 machines are considered in the design of field regulators for dc machines. They are the shunt generators and shunt motor. The second step is the calculation of the resistance to be inserted.
Answer: d
See lessExplanation: 2 machines are considered in the design of field regulators for dc
machines. They are the shunt generators and shunt motor. The second step is the
calculation of the resistance to be inserted.
.What is the first step in the design of the field regulators for dc machines?
Answer: b Explanation: 2 machines are considered in the design of field regulators for dc machines. They are the shunt generators and shunt motor. The first step is the calculation of the field circuit resistance.
Answer: b
See lessExplanation: 2 machines are considered in the design of field regulators for dc
machines. They are the shunt generators and shunt motor. The first step is the
calculation of the field circuit resistance.
How many machines are considered for the design of field regulators for dc machines?
Answer: a Explanation: Two machines are considered for the design of field regulators for dc machines. They are the shunt generators and shunt motor.
Answer: a
See lessExplanation: Two machines are considered for the design of field regulators for dc
machines. They are the shunt generators and shunt motor.
What is the relation of the ratio of rotor current limits and the ratio of lower limit to upper limit current?
Answer: a Explanation: The ratio of rotor current limits and the ratio of lower limit to upper limit current are first calculated. The ratio of rotor current limits is approximately equal to the ratio of lower limit to upper limit current.
Answer: a
See lessExplanation: The ratio of rotor current limits and the ratio of lower limit to upper limit current are first calculated. The ratio of rotor current limits is approximately equal to the ratio of lower limit to upper limit current.
What is the formula of the ratio of the lower limit to upper limit of current with respect to the resistance?
Answer: b Explanation: The motor resistance, resistance to limit the starting current and number of resistance is calculated. On substitution the ratio of lower limit to upper limit of current is obtained.
Answer: b
See lessExplanation: The motor resistance, resistance to limit the starting current and number of resistance is calculated. On substitution the ratio of lower limit to upper limit of current is obtained.
What happens in the dc shunt motor when the notching process occurs?
Answer: b Explanation: Notching operation means cutting out the resistance. During the process of notching speed remains constant.
Answer: b
See lessExplanation: Notching operation means cutting out the resistance. During the process of notching speed remains constant.
What is the concept of notching operation?
Answer: c Explanation: The process of notching operation occurs In the dc shunt motors. The concept of notching operation means the cutting out the resistance.
Answer: c
See lessExplanation: The process of notching operation occurs In the dc shunt motors. The
concept of notching operation means the cutting out the resistance.
How many machines are considered in the calculation of the resistance steps?
Answer: b Explanation: There are 3 machines considered in the calculation of the resistance steps. They are starters for dc shunt motors, starters for dc series motors, starters for three phase slip ring induction motor.
Answer: b
See lessExplanation: There are 3 machines considered in the calculation of the resistance steps. They are starters for dc shunt motors, starters for dc series motors, starters for three phase slip ring induction motor.