URC I-AC-PRO-TS Скачать руководство пользователя | Manualshive

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test set

U RC

Utility Relay Company

i-ac-pro-ts

ac-pro trip unit

instruction manual

Secondary Injection Test Set

for AC-PRO Trip Units

C h a g r i n F a l l s , O H 4 4 0 2 3

P h o n e : 8 8 8 . 2 8 9 . 2 8 6 4

w w w . u t i l i t y r e l a y . c o m

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Содержание I-AC-PRO-TS

Страница 1: ...ity Relay Company i ac pro ts ac pro trip unit instruction manual Secondary Injection Test Set for AC PRO Trip Units C h a g r i n F a l l s O H 4 4 0 2 3 P h o n e 8 8 8 2 8 9 2 8 6 4 w w w u t i l i t y r e l a y c o m ...

Страница 2: ...4 4 3 Calculate Long Time LT Pick Up Secondary Current 5 4 4 Long Time LT Pick Up Test 5 4 5 Long Time LT Time Test 6 4 6 Calculate Short Time ST Pick Up Secondary Current 6 4 7 Short Time ST Pickup Test 7 4 8 Short Time Test 7 4 9 Calculate Instantaneous I Pick Up Secondary Current 8 4 10 Instantaneous I Pickup Test 8 4 11 Calculate Ground Fault GF Pick Up Secondary Current 9 4 12 Ground Fault GF...

Страница 3: ...s adjust the Amp Coarse and Amp Fine potentiometers pots and adjust the Phase and Frequency Selector switches The two displays are used to indicate elapsed time in seconds and test current in amps Reference the AC PRO users manual for the AC PRO operating instructions 3 0 B 291 Test Set Controls 3 1 Power Power to the test set is controlled with the manual On Off switch An AC cord is supplied with...

Страница 4: ...ton is pushed the test set will display the current setting from Amp Coarse and Fine adjust pots in the Test Current LCD display without actually driving any current to the AC PRO The sum of the Amp Coarse and Fine pots is displayed in the current LCD display and is continually updated while the Current Preset switch is pushed After the current pots are adjusted to the desired test current as seen...

Страница 5: ...ess to the connector on the test set marked AC PRO Twist the outer ring clockwise to fully seat and lock the connector 2 Remove the breaker wiring harness from the breaker harness connector on the AC PRO if installed on a breaker 3 Connect the female ten position terminal block connector on the Test Harness to the AC PRO 4 Connect the small round connector on the Test Harness to the 24 VAC auxilia...

Страница 6: ...mple If the CT rating is 1600 and the LT Pick Up 1600 amps then LTSPU 1600 X 1 2 0 50 amp 1600 4 4 Long Time LT Pick Up Test To test the LT pick up 1 Hold down the Current Preset while adjusting the Amp Coarse and Fine pots until the display shows about 90 of the LT pick up current LTSPU previously calculated 2 Set the Phase selector to either Phase A B or C 3 Push the Start button 4 Increase the ...

Страница 7: ...ired to the Amp Fine pot The red pick up LED on the AC PRO should be on and the AC PRO should display OVERLOAD 6 When the AC PRO trips the test set current will stop and the timer will freeze and display the total trip time 7 Compare the trip time with the TCC Figure 4 for the LT time band setting in the AC PRO 8 Verify that the AC PRO saved the proper last trip data 9 Repeat for the other two pha...

Страница 8: ...ip data 7 Repeat for the other two phases if desired 4 8 Short Time ST Test To test the ST time delay trip 1 The first step is to select a test current For example 150 of the ST pick up The desired test current is then 1 5 X STSPU Note to accurately test the ST delay the test current must be at least 110 of the ST pick up 2 Hold down the Current Preset while adjusting the Amp Coarse and Fine pots ...

Страница 9: ...justing the Amp Coarse and Fine pots to 90 of the calculated ISPU 2 Set the Phase selector to either Phase A B or C 3 Push the Start button but leave the test current on only long enough to see if an I trip occurs If the current is left on long enough a LT or ST trip will occur If ST is on it is best to temporarily turn it off An I trip should NOT occur 4 Hold down the Current Preset while adjusti...

Страница 10: ... rating is 1600 and the GF pick up 1200 amps then GFSPU 1200 X 2 1 50 amp 1600 4 12 Ground Fault GF Pick Up Test To test the GF pick up 1 Set the phase selector switch to GF 2 Hold down the Current Preset while adjusting the Amp Coarse and Fine pots to 90 of the calculated GFSPU 3 Push the Start button but leave the test current on only long enough to see if a GF trip occurs A GF trip should NOT o...

Страница 11: ... tested with this test set 5 0 Error fault Conditions 5 1 Current Error The test set monitors the current level while a test is in progress Should the current level be outside of the expected range a current error will occur and the test set will stop current flow and display Current Error To clear the current error the Clear push button must be pressed After this normal operation on the test set ...

Страница 12: ...ELECT SWITCH Selects one of the phases A B C or ground fault as the test current path 11 CURRENT DISPLAY Displays measured true RMS current and Current Preset value 12 CURRENT PRESET PUSH BUTTON When held the current display indicates the current setting of the Amp Coarse and Fine pots 13 AMP COARSE POT This is used to make large adjustments in current 14 AMP FINE POT This is used to make small ad...

Страница 13: ...POWER PLUG TO AC PRO C TEST SET HARNESS MAIN CONNECTOR TO AC PRO D TEST SET HARNESS ACTUATOR CONNECTOR E CIRCUIT BREAKER WIRING HARNESS PREVIOUSLY CONNECTED TO THE AC PRO Figure 2 AC PRO Breaker Test Set Connections A B C E D AC PRO on breaker ...

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