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User manual, Check synchroscope CSQ-3

4189340263L (UK)

5. Wiring diagrams

5.1 AC input connections

When ordering the CSQ-3, the correct range of voltage inputs must be specified. They

must be connected as shown below (unused terminals are not shown).

5.1.1 Connection diagram

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Summary of Contents for CSQ-3

Page 1: ...if deif com DEIF A S User manual Check synchroscope type CSQ 3 4189340263L UK Multi function precision LED synchronoscope Easy push button programming of all set points Very high user safety High immu...

Page 2: ...s 6 3 1 LEDs 7 3 2 Settings 8 4 Terminal list 10 4 1 Overview of the terminals 10 5 Wiring diagrams 11 5 1 AC input connections 11 5 1 1 Connection diagram 11 6 Commissioning 12 7 Technical data 12 8...

Page 3: ...ation category overvoltage category III and pollution degree 2 The CSQ 3 can be delivered with UL listing Please refer to the section Technical data for installation information as required by the UL...

Page 4: ...n turns right the GEN frequency will be 51Hz in this example If the frequency difference between GEN and BB is becoming too big 3Hz the circular motion stops and a LED will be lit at the too fast or t...

Page 5: ...as been restored the CSQ 3 will remain in the dead bus function for a period of 5 seconds Power up reset The unit will operate when the GEN voltage exceeds 80 of the nominal value Below this level no...

Page 6: ...front frame and the front foil The CSQ 3 can be operated in two different modes Normal mode and setting mode Normal mode is used to display measuring values and setting mode is used to view the setti...

Page 7: ...oltage difference between GEN and BUSBAR is outside the preset range UGEN is too high UGEN TOO LOW Red The voltage difference between GEN and BUSBAR is outside the preset range UGEN is too low LEDs on...

Page 8: ...of 21 Tel 45 9614 9614 Fax 45 9614 9615 E mail deif deif com 3 2 Settings NORMAL U min SET VIEW pos SET VIEW NEG SET VIEW tr SET ACTIVATE DEAD BUS NORMAL MODE SAVE automatically tr td SET VIEW YES NO...

Page 9: ...rical setting of this parameter possible Also please notice that if the settings are changed unintentionally these are saved when the setting mode is left Change of range The normal range of is 20 5 a...

Page 10: ...symbol Signal name 1 R L1 Busbar voltage x Not used 2 S L2 Busbar voltage x Not used 3 SYNC Relay output 4 SYNC Relay output x Not used 5 R L1 Generator voltage x Not used 6 S L2 Generator voltage Onl...

Page 11: ...Q 3 4189340263L UK 5 Wiring diagrams 5 1 AC input connections When ordering the CSQ 3 the correct range of voltage inputs must be specified They must be connected as shown below unused terminals are n...

Page 12: ...ffset Off or 4 levels of noise suppression dead bus Max frequency difference No limit Input range UN 100 127V AC 115V AC or 220 240V AC 230V AC or 380 415V AC 415V AC or 440 480V AC 450V AC Busbar inp...

Page 13: ...Connections Max 2 5 mm2 single stranded Max 1 5 mm2 multi stranded Materials All plastic parts are self extinguishing to UL94 V0 Protection Front IP52 Terminals IP20 According to IEC529 and EN60529 Ty...

Page 14: ...Page 14 of 21 Tel 45 9614 9614 Fax 45 9614 9615 E mail deif deif com Dimensions Please see drawing in section 8 Panel cut out 92 x 92 1 mm Weight 0 40 kg...

Page 15: ...ype where UN and type are as follows Code Function Options UN Input voltage 115V 100 127V AC input range 230V 220 240V AC input range 415V 380 415V AC input range 450V 440 480V AC input range Type Lan...

Page 16: ...nnect the unit and check the applied voltage level Here the phase window is adjusted in which synchronising can take place The adjustment starts from 5 and the window can open symmetrically or asymmet...

Page 17: ...ated within the range 15 25 of actual generator voltage 70 20 Activated within the range 25 30 of actual generator voltage 70 30 Activated within the range 30 40 of actual generator voltage 70 40 Acti...

Page 18: ...or Please notice that the CSQ 3 calculates space for tR breaker closing time within the chosen window at the actual f slip frequency Therefore the max synchronising error will never exceed the chosen...

Page 19: ...chronising error of 2 8 Applying the formula on page 17 the max f with the shown settings can be calculated to be 0 277Hz Example 2 If we assume that the slip frequency in the actual case is 0 2Hz the...

Page 20: ...eaker now closes 2 2 after top and not as in example 1 2 8 before top The choise of setting must be based on the knowledge of the actual installation in which the CSQ 3 is applied But the examples are...

Page 21: ...t form the following must be noticed The first time the CSQ 3 is connected synchronising pulse is emitted whether the window is set symmetrically or asymmetrically If only the busbar input is interrup...

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