GE Multilin DBT Скачать руководство пользователя страница 9 | Manualshive

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8

DBT Digital Trip Coil Supervision Relay

GEK-105597C

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Содержание Multilin DBT

Страница 1: ...il gemultilin ge com Internet www gemultilin com Copyright 2004 GE Multilin DBT Digital Trip Coil Supervision Relay Instruction Manual GEK 105597C GE Multilin Avda Pinoa 10 48170 Zamudio SPAIN Tel 34...

Страница 2: ...TING PRINCIPLES 9 5 TECHNICAL CHARACTERISTICS 11 5 1 TECHNICAL CHARACTERISTICS 11 5 3 TYPE TESTS 12 6 RELAY SETTINGS 15 6 1 READY LED 15 6 2 ENABLE SWITCH 16 6 3 RESET TARGET SWITCH 16 6 4 LED INDICAT...

Страница 3: ...1298H3 Figure 2 External connections one coil model 226B6291H5 Figure 3 External connections three coils model 226B6291H4 Figure 4 External connections model DBT3000A 0H02 226B6291H6 Figure 5 Mechanic...

Страница 4: ...limited to a maximum of 24 V By measuring the voltage drop in the coil the DBT calculates the resistance Figure 3 shows a typical three coil DBT connection to a coil In this way the relay can measure...

Страница 5: ...DESCRIPTION 4 DBT Digital Trip Coil Supervision Relay GEK 105597C...

Страница 6: ...coils without going through contacts 52 a and 52 b in this case monitoring of these would be lost it can be done The connection of the coil at the input of 52 a has to be wired and leave input 52 b u...

Страница 7: ...ractical way of adjusting the DBT is to vary the resistance setting starting from the minimum value 50 until the relay disables its resistance monitoring output It is advisable to increase this settin...

Страница 8: ...DESCRIPTION Number of coils 1 1 coil single phase 3 3 coils three phase Coil resistance 0 75 300 Ohm 1 150 600 Ohm Breaker Voltage 1 110 125 V DC 2 220 250 V DC Output relays option for DBT1 models 0...

Страница 9: ...MODEL LIST 8 DBT Digital Trip Coil Supervision Relay GEK 105597C...

Страница 10: ...re located after the undervoltage unit both monitoring the first coil The resistance measurement is calculated through the voltage drop produced by the current injected by the current sources Supposin...

Страница 11: ...3 External Connections the DBT has a SYSTEM READY output relay This closes the contact in case the relay is not available due to one of the following causes An internal fault An auxiliary voltage drop...

Страница 12: ...0 250 V DC 20 TEMPERATURE RANGES Operational range 25 C to 55 C Storage range 40 C to 70 C Complies with IEC 255 6 and ANSI C37 90 Standards HUMIDITY Up to 95 without condensation OUTPUT CONTACTS Brea...

Страница 13: ...y Between independent circuits 2000 V AC for 1 minute at industrial frequency 5 3 TYPE TESTS 1 MHz interference test 2 5 kV common mode 1 kV differential class III as per IEC 255 4 Impulse test 5 kV p...

Страница 14: ...these Standards which includes the GE Standard on the level of insulation and electromagnetic compatibility required by CE Directive 89 336 for CE marking according to standardised European regulatio...

Страница 15: ...TECHNICAL CHARACTERISTICS 14 DBT Digital Trip Coil Supervision Relay GEK 105597C...

Страница 16: ...ult occurs LEDs are also located on the relay and serve as indicators to give information on the relay and the circuits being monitored The next section describes the LEDs and their settings seen from...

Страница 17: ...T SWITCH This switch has two uses Acknowledgement of indicators A fault is recorded by an LED with memory This is erased by pressing and releasing the RESET button If the auxiliary voltage drops the r...

Страница 18: ...esistance setting it is a block of 4 dip switches For the 110 125 V DC model the minimum value is 50 V the maximum 125 V and the step 5 V For the 220 250 V DC model the values are double the above so...

Страница 19: ...6 8 SUMMARY TABLE OF SETTINGS Name of setting Max Min Step Set to Enable Enabled Disabled ____ ____ Enabled Disabled Resistance 300 75 15 _____ Voltage 110 250 model 220 250 model 125 V 250 V 50 V 10...

Страница 20: ...ld always be earthed by an earthing cable connected to terminal B 12 Do not forget to make the shortest possible connection to terminals B 11 and B12 so that the capacitors can perform their filtering...

Страница 21: ...rvoltage LED flashes pick up with the pick up voltage see table below The LED remains flashing until the undervoltage condition disappears drop out voltage When the drop out voltage is reached and the...

Страница 22: ...h button is pressed the B2 B3 will be opened leading to a start of failure Create a fault as described above and check that the results in the table are complied with TIMER DELAY setting Minimum time...

Страница 23: ...135 122 149 values 195 175 215 300 270 330 The test is done in the sequence described for each of the settings indicated Repeat this test for the units Corresponding to coils 2 and 3 7 6 ENABLE TEST D...

Страница 24: ...FIGURES GEK 105597C DBT Digital Trip Coil Supervision Relay 23 FIGURE 1 NAMEPLATE 226B1298H3...

Страница 25: ...RCUITO INTERRUPTOR CORRECTO TENSION MANDO PUEDEN SER POSITIVOS SEPARADOS SYSTEM READY BREAKER CIRCUIT O K INHIBICION B3 B4 52a 52b TENSION MANDO BREAKER VOLTAGE BREAKER CIRCUIT O K C CLOSED CERRADO O...

Страница 26: ...FIGURES GEK 105597C DBT Digital Trip Coil Supervision Relay 25 FIGURE 3 EXTERNAL CONNECTIONS THREE COILS 226B6291H4...

Страница 27: ...FIGURES 26 DBT Digital Trip Coil Supervision Relay GEK 105597C FIGURE 4 EXTERNAL CONNECTIONS MODEL DBT3000A 0H02 226B6291H6...

Страница 28: ...FIGURES GEK 105597C DBT Digital Trip Coil Supervision Relay 27 FIGURE 5 MECHANICAL DIMENSIONS AND CUT OUT 226B6086H11...

Страница 29: ...FIGURES 28 DBT Digital Trip Coil Supervision Relay GEK 105597C FIGURE 6 REAR TERMINAL PLATE 226B6292H1...

Страница 30: ...FIGURES GEK 105597C DBT Digital Trip Coil Supervision Relay 29 FIGURE 7 BLOCK DIAGRAM...

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