AEMC DTR 8510 - Polyphase Transformer Connections

36 Digital Transformer Ratiometer DTR
®
Model 8510
5.4 Ratio Test - 1:1
AsimpletestcanbeconductedtotestfunctionalityoftheDTR
®
8510.
1.
 ConnecttheHREDtoXREDcableandseparatelyconnecttheHBLACK
toXBLACK.Thisconnectionsimulatesa1:1transformer.
2. RunVT/PTtest.
Inthisconnectionmode,thetestresultsshouldyieldarationearlyequalto
1.0000.Ifitdoesnot,theDTR
®
8510mayrequirerepairorre-calibration.
CONNECTIONS
EQUIVALENT
H RED
X RED
H BLACK
X BLACK
1 : 1
Figure 5-8
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