answersLogoWhite

0

* 3 phase motors * resistance heaters

User Avatar

Wiki User

15y ago

What else can I help you with?

Continue Learning about Engineering

What is the difference between Kilowatt Meter with balanced load and with unbalanced load?

'Balanced loads' apply to three-phase a.c. loads. A three-phase kilowatt hour meter will measure both balanced and unbalanced loads, when correctly connected.


What is mean by balanced and unbalanced load?

There is a lot of confusion amongst consumers that an Unbalanced LoadStabilizer is generally superior to a Balanced Load Stabilizer. To clarifythis myth certain fundamental principles connected with Transformersare given below:1. Definition of Balanced and Unbalanced loads:a. A Three phase Loads on a 3 phase supply system is a Balancedload because it draws equal current from each phase. Three phaseMotors, Converters; Rectifiers using 3 phase input supply arecommon examples of Balanced loads.b. A single phase / 2 phase loads on a three phase system is calledUnbalanced load. Normally Unbalanced loads have to use aneutral wire in the system. The 2 phase loads may not require aneutral.


How do you calculate how to split a 7.5Kw load over 3 phases?

A 7.5 kW three phase load will be balanced by the manufacturer. When connected to a three phase source the line current on each phase will be equal.


How to Test for single phasing?

You can do that in one of three ways: 1- current on each phase, 2- phase to gnd voltage, 3- phase to phase voltage, preferably with multiple meters, the three lines has to be balanced within ~ 3%


If Vab equals 400 v in a balanced Y-connected three-phase generator assuming the phase sequence is abc find the phase voltages?

400 v each phase

Related Questions

What is a balanced three phase system?

A balanced three phase system is where the currents into the loads placed on all three phases of the service are reasonably close to each other in amperage.Another opinionA 'balanced' three-phase system describes a three-phase load in which each phase current is identical in both magnitude and phase. If the phase currents are only 'reasonably close', then the load is not balanced.


What does electrically balanced mean?

In a three phase system, if the current in all three phases are same, then it is a balanced system.


Why neutral cross section is half the phase in three phase cable while it has to carry current of summation of all phase..?

The current carried by the neutral of a three phase four wire system is the un balanced current. If the three phase system was completely balanced on all three phases there would be no need for a neutral, eg a three phase motor. This neutral current will be less that the phase current so a reduction in the neutral size is allowed.


What is the difference between Kilowatt Meter with balanced load and with unbalanced load?

'Balanced loads' apply to three-phase a.c. loads. A three-phase kilowatt hour meter will measure both balanced and unbalanced loads, when correctly connected.


What is mean by balanced and unbalanced load?

There is a lot of confusion amongst consumers that an Unbalanced LoadStabilizer is generally superior to a Balanced Load Stabilizer. To clarifythis myth certain fundamental principles connected with Transformersare given below:1. Definition of Balanced and Unbalanced loads:a. A Three phase Loads on a 3 phase supply system is a Balancedload because it draws equal current from each phase. Three phaseMotors, Converters; Rectifiers using 3 phase input supply arecommon examples of Balanced loads.b. A single phase / 2 phase loads on a three phase system is calledUnbalanced load. Normally Unbalanced loads have to use aneutral wire in the system. The 2 phase loads may not require aneutral.


What is three-phase unbalanced load?

A balanced three phase load is where the current flowing in all three phases of the load are reasonably close to each other.Another answerWhen the voltage and measured current draw do not deviate by more than 2 percent under load.AnswerA balanced three-phase load is one in which each of the three loads is identical in all respects (magnitude and phase). Further to the first answer, the three line currents must not all be 'reasonably close', they must be identical -i.e. the same value and phase relationship.


A three phase load taking a full load of X Amps means it is sum of three phase?

In a three-phase system, the total load is the sum of the currents in each of the three phases. This is due to the balanced nature of three-phase systems, where the currents in each phase are equal in magnitude but shifted by 120 degrees. The full load of X Amps is the total current drawn by the load across all three phases.


How do you calculate how to split a 7.5Kw load over 3 phases?

A 7.5 kW three phase load will be balanced by the manufacturer. When connected to a three phase source the line current on each phase will be equal.


How to Test for single phasing?

You can do that in one of three ways: 1- current on each phase, 2- phase to gnd voltage, 3- phase to phase voltage, preferably with multiple meters, the three lines has to be balanced within ~ 3%


What is the equivalent to135A single phase at three phase 208V?

135 A at 120 v single-phase is 16.2 kVA. With a 208 v three-phase supply you get three single-phase 120 v supplies, so the same kVA is produced with a balanced load of 45 amps on each phase.


If Vab equals 400 v in a balanced Y-connected three-phase generator assuming the phase sequence is abc find the phase voltages?

400 v each phase


How is three phase power useful to consumers?

Three phase power is always delivering power on one of the phase continuously. This is very useful to manufacturing industries to operate the machines, which require high power utilization.