6.5 Reactors.ppt study with with me about the

TO study about reacters

1. REACTORS
Typeofreactors:
1.Shuntreactors
Reactorintendedforshuntconnectioninasystemto
compensatecapacitivecurrent.
2.Currentlimitingandneutralearthingreactors
A)Reactorintendedforseriesconnectioninasystemfor
limitingthecurrentundersystemfaultconditions.
B)Singlephasereactorforconnectionbetweentheneutral
ofasystemandearthforlimitingthelinetoearthcurrent
undersystemearthfaultconditions.
3.Dampingreactors
Reactorintendedforseriesconnectionwithcapacitorsfor
limitingtheinrushcurrentduringswitching.

2. REACTORS
4.Tuningorfilterreactors
Reactorintendedforseriesorparallelconnectionfor
instancewithcapacitorsforreducingorblockingharmonics
and/orcommunicationfrequencies(reactorsline-traps)
5.Earthingtransformers(Neutralcouplers)
Threephasetransformerorreactorintendedforparallel
connectioninasystemtoprovideaneutral.
6.Arcsuppressionreactors
Singlephasereactorintendedforconnectionbetweenthe
neutralofasystemandearthforcompensatingthe
capacitivelinetoearthcurrentduetoasinglephaseearth
fault.
7.Smoothingreactors
Reactorintendedtoreducetheflowofharmoniccurrents
andtransientcurrentindcsystems.

3. REACTORS
Type Tests
1. Measurement of winding resistance
2. Measurement of insulation resistance
3. Measurement of reactance
4. Measurement of loss
5. Dielectric tests
6. Measurement of voltage ratio and short circuit impedance on
shunt reactor as with additional loadable winding
7. Temperature rise test

4. REACTORS
Routine Tests
1. Measurement of winding resistance
2. Measurement of insulation resistance
3. Measurement of reactance
4. Measurement of loss
5. Dielectric tests
6. Measurement of voltage ratio and short circuit impedance on
shunt reactor as with additional loadable winding

5. REACTORS
Special Tests
1. Measurement of zero sequence reactance on three phase
Reactors
2. Measurement of mutual reactance on three phase reactors
3.Measurement of acoustic sound level
4. Measurement of vibration and stress measurement on tank
5. Measurement of harmonics of the current
6. Measurement of the power taken by fans and the oil pumps
7. Measurement of magnetization characteristic
8. Measurement of capacitance and tan delta of winding
9. Dissolved gas analysis of mineral oil used before and after heat
run tests

6. REACTORS