deif relay
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1. From this output it is possible to supervise the internal microprocessor uP If an error is present the output changes state from a low to a high impedance open collector output 4189340263K UK 3 Operation of display push buttons and LEDs N 6 e e e Usen seo Too Hig H Too stow SYNCHROScopE 3 lea N 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 settings or change them to the desired functionality Page 6 of 21 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 3 1 LEDs The CSQ 3 has the following LEDs on the fronts showing different operating information LEDs on primary front normal mode LED Colour Function Circle Red The lit LED in the circle shows the phase difference between GEN and BUSBAR SYNC Green All preset sync parameters are OK and the output relay is activated o OK Yellow The phase difference between GEN and BUSBAR is within the preset window Ucen Red The voltage difference between GEN and BUSBAR is TOO HIGH outside the preset range Ucen is too high Ucen Red The voltage difference between GEN and BUSBAR is TOO LOW outside the preset range Ucen is too low LEDs on secondary front settin2. DC UL cUL Resistive load only 2x10 1 x 10 nominal value Page 12 of 21 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 Optocoupler output Temperature Temperature drift Galvanic separation Climate EMC Connections Materials Protection Type approval UL listing System status off failure NpN optocoupler output Max 40V 10mA 2 wires AWG 20 red black 30 mm length Only in marine version 10 55 C nominal 25 70 C operating 40 70 C storage Set points Max 0 2 of full scale per 10 C According to EN IEC61010 1 All input output groups to ground 3 75kV Between all input output groups 3 75kV Test conditions 50Hz 1 min HSE to DIN40040 CE marked according to EN50081 1 2 EN50082 1 2 and IEC255 3 Max 2 5 mm single stranded Max 1 5 mm multi stranded All plastic parts are self extinguishing to UL94 VO Front IP52 Terminals IP20 According to IEC529 and EN60529 For current approvals please see www deif com Only valid for marine version On request the instrument can be delivered according to UL listing UL508 E230690 Tambmax 50 C For use in a flat surface of type 1 enclosure Wire 24 12 AWG Use 60 75 C copper conductors only Main disconnect is to be provided by installer Terminal screw torque 5 7 Ib in Installed in accordance with the NEC United States
3. pulse the relay contact of the CSQ 3 is interrupted the moment the phase is outside the set phase window As the timer ta starts the moment the phase is within the set phase window Am and is to expire in the period the phase is still within the phase window before the synchronising pulse is emitted it means in the shown example that with an actual Af Page 20 of 21 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 of 0 049Hz the synchronising pulse would only be 18 msec To avoid transmission of such a short synchronising pulse the CSQ 3 performs a calculation based on Af and the actual phase window to make room for a synchronising pulse of at least 100 msec Referring to example 1 100 msec must be subtracted from the calculated ta to allow a max Af of 0 05Hz Function in particular situations In connection with test on desk the CSQ 3 is normally connected to the same supply point so that frequency and phase are completely identical on the generator input and the busbar input At this test form the following must be noticed The first time the CSQ 3 is connected synchronising pulse is emitted whether the Ao window is set symmetrically or asymmetrically If only the busbar input is interrupted subsequently the CSQ 3 is supplied with auxiliary voltage from the generator input synchronising pulse is only emitted if the interruption has lead to the result that the Ag
4. D lt D Q User manual Check synchroscope type CSQ 3 4189340263K UK TO 100 FAST pra O sme 100 sLow O Oon O Hoen GooS O TOO High O Too Low SYNCHROSCopE pana e Multi function precision LED synchronoscope e Easy push button programming of all set points e Very high user safety e High immunity to harmonic distortion e Dead bus functionality e Special version for marine applications CE DEIF A S Tel 45 9614 9614 a Frisenborgvej 33 DK 7800 Skive Fax 45 9614 9615 Denmark E mail deif deif com k List of contents 1 Warnings legal information and notes to CE marking and UL listing 3 2 Application and functionality SUMMAFry rrriiiiii ine 3 3 Operation of display push buttons and LEDS rrrnn 6 dit LEDS iaia iaia tee eege ia naar E are 7 32 SONG EE tania ia ati eased 8 4 Terminal liSt ri 10 4 1 Overview of the terminals eee eee eee 10 5 Wiring diagramS rire 11 51 AG input CONNEGHONS cita ili iaia 11 R Bees osl e snl titani ii ae A T EES a ti 11 6 Commissioning T 12 7 Technical dat eugesgeesegesreeeuerke iii 12 8 DIMENSIONS aererenrercreneeeeerene rie een nere nen eeene nine nenieneeecioneonecionecenioneenerenzonecione 15 9 Order specifications iuiiiiiiiiiii 15 Example of an order specification
5. adjusted The regulating range is 1 10 in steps of 1 The adjustment is made individually for AUmin and AUmax SO asymmetrical adjustment is possible The setting is done according to the following formula Ucen Ugussar x 100 AUmin AUmax UsusBAR If the preset value is exceeded one of the two Ucgen LEDs will emit red light and synchronising is not possible If the generator voltage is too low the Ugen too low LED will be lit If the generator voltage is too high the Ucen too high LED will be lit If both the Ucen LEDs are lit simultaneously there is an overvoltage error on the input In this case disconnect the unit and check the applied voltage level Ag Here the phase window is adjusted in which synchronising can take place The adjustment starts from 5 and the window can open symmetrically or asymmetrically around this value The regulating range is 20 5 and 5 20 in 1 steps or 40 10 and 10 40 in 2 steps tr Here the length of the pulse for the synchronising relay is adjusted The regulating range is 0 1 sec in steps of 0 1 sec or co This function makes it possible to adjust the synchronising pulse according to the external breakers demands closing time For special purposes it is also possible to adjust tr to ce infinite This setting will after ta has expired provide a synchronising pulse as long as the following conditions are met e Phase is inside the pha
6. bsequent push on the mode button a change to the next parameter occurs These can be read and changed in a corresponding way When mode is pushed after the last parameter one returns to normal mode When leaving the last setting menu the LED circle rotates to indicate that the current setting has been automatically saved Please notice that the preset window AU and Ag is divided into two separate settings making asymmetrical 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 Aq range The normal range of Ag is 20 5 and 5 20 in 1 steps This can be changed to 40 10 and 10 40 in 2 steps Step down to the 20 point with the down arrow button While pressing the down arrow button press the up arrow button and the scale will change from normal range to the scale 2 x normal range Press the up arrow button to return to normal range While pressing the up arrow button press the down arrow button and the scale will change from 2 x normal range to normal range Please notice that the 2 x normal range mode is indicated on the LED circle by activation of 2 LEDs each time Ag is changed Factory settings When the product is delivered from the factory the following basic settings will be set 5 of Use Restorage of factory settings Activate the two arrow buttons simultaneously While doing
7. c and therefore no relay pulse is emitted General formula for the above mentioned Actual synchronising error Ag 360 x Af x breaker closing time tr Alternatively at negative slip frequency Actual synchronising error Ag 360 x Af x breaker closing time tr If the result is negative the synchronising will take place after top 0 provided that there is space for tr within the Ag window If you want to avoid synchronising after top Ag is set asymmetrically At positive slip frequency Af as in the shown example a setting of Ag to 10 and Ag to 5 would have as a result that synchronising after top of more than 5 would not be possible 4189340263K UK The length of the relay pulse tr can never be set to a lower value than the breaker closing time whereas tr can be set to a higher value if you want the max slip frequency Af to be lower to limit the rush of current of the breaker the generators in connection with the synchronising Example In the light of the above mentioned examples tr is changed to 0 4 sec With a slip frequency Af of 0 1Hz 36 sec and tr 0 4 sec the phase changes 14 4 during the 0 4 sec If Ag is set to 10 the CSQ 3 will calculate that there is space for tr With this setting the synchronising error will be identical with the synchronising error in example 1 2 8 as the breaker closing time is the same 0 2 sec But the max Af can now only be 0 138Hz and not a
8. e refer to the section Technical data for installation information as required by the UL The package contains the following items Check synchroscope CSQ 3 unit User manual Two fixing clamps A plugable connection mounted on the unit Cable for system status output only marine version 2 Application and functionality summary The CSQ 3 check synchroscope is a microprocessor based synchronising unit providing measurement of all relevant values for synchronising a generator to a net busbar It is used in any kind of installation where manual or semi automatic synchronising is required In the CSQ 3 there is a possibility of adjusting the following synchronising requirements The voltage difference between GEN and BB the size of the phase window and the length of the synchronising pulse In addition to that there is an indication of Usen TOO HIGH or Ugen TOO LOW red LEDs phase difference within the preset window OK yellow LED and finally synchronising output active SYNC green LED 4189340263K UK Display reading The unit measures the two inputs voltages Generator GEN and busbar BB respectively The phase difference from GEN s zero crossing to BB s zero crossing is calculated by the processor and is shown on the LED circle consisting of 36 red LEDs The red LEDs are only lit one at a time and its position indicates the phase difference between GEN and BB The lit LED
9. f 5 seconds 4189340263K UK Guidelines for setting of the CSQ 3 Visual representation of the parameters The figure below shows the different parameters Commissioning Normally tr is adjusted so it equals the circuit breakers closing time and Ag Ag to max allowed synchronising error Please notice that the CSQ 3 calculates space for tr breaker closing time within the chosen Ag window at the actual Af slip frequency Therefore the max synchronising error will never exceed the chosen Ag window Calculation example The breaker closing time is 200mS and tr is chosen to 200mS The phase window is set symmetrically to 10 electrical degrees Then the max Af can be calculated using the following formula Ag Ag 10 10 Af T _ Af 0 278Hz 360 x tr 360 x 0 2 Synchronising relay pulse will not be emitted if Af exceeds 0 278Hz Page 18 of 21 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 Calculation of the actual synchronising error not to be mistaken for the max synchronising error which is solely determined by the chosen Ag window The next examples apply to situations where tr is set in the range 0 1 1 sec Example With a slip frequency Af of 0 1Hz the phase changes with a rate of 36 sec If Aq is set to 10 and tr is set to 0 2 sec breaker closing time the actual synchronising e
10. for the CSQ 3 rnn 15 Appendix 1 Setting and parameters for synchronising 16 le DE 16 Guidelines for setting of the CSQ 3 cescsccsseeseeeeseeeeeeeeeeeeeeeeeeseeeseeseeeneeeseeeeaes 18 Visual representation of the parameters cs ssseeesseee esse essere eser esse essere esse ennes ene 18 Page 2 of 21 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 1 Warnings legal information and notes to CE marking and UL listing This manual gives general guidelines on how to install and operate the CSQ 3 Installing and operating the CSQ 3 implies work with dangerous currents and voltages Therefore this should only be done by qualified personnel DEIF A S takes no responsibility for operation or installation If there is any doubt about how to install or operate the system on which the CSQ 3 is measuring the company responsible for the installation or the operation must be contacted The CSQ 3 is CE marked with respect to the EMC directive for residential commercial and light industry plus industrial environment This covers all environment types where the CSQ 3 can normally be used The CSQ 3 is CE marked with respect to the low voltage directive for up to 600V phase to ground voltage installation category overvoltage category IIl and pollution degree 2 The CSQ 3 can be delivered with UL listing Pleas
11. g and over frequency synchronising is possible Under or overfrequency synchronising When the Ag window is set asymmetrically the following functionality is possible If the Ag window is set asymmetrically with a higher positive than negative Am value only synchronising with the generator input at lower frequency than the busbar input is possible underfrequency synchronising If the Ag window is set asymmetrically with a lower positive than negative Am value only synchronising with the generator input at higher frequency than the busbar input is possible overfrequency synchronising Note This function is not active with tr set to ce Page 4 of 21 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 Dead bus synchronising When the dead bus function is set the synchronising relay will be activated and the green LED SYNC will be lit when the busbar voltage is below the dead busbar preset level and the GEN voltage exceeds 80 of nominal value Please notice that when the voltage on the net has 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 functionality is obtained uP supervision output Due to the demands from the classification societies GL a special optocoupler output has been added on the marine version
12. g mode LED Colour Function Circle Red Parts of the circle are used as scales for the different settings Ao Yellow Shows that the Ag scale is active ta Yellow Shows that the ta scale is active Please notice that ta only becomes active with tr set to lt lt tr Yellow Shows that the tr scale is active AU Yellow Shows that the AU scale is active Ubus Yellow Shows that the Upus scale dead bus is active For further information about the settings please see appendix 1 4189340263K UK 3 2 Settings MODE AVA NORMAL KI A A Umax LY SET VIEW 4 AQ pos E SET VIEW AQ NEG Vv SET VIEW 4 tr lt A servew A td G N SET ACTIVATE DEAD BUS Gi SAVE automatically V NORMAL Page 8of21 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 Operation The operation occurs via the secondary foil accessible when the primary foil front frame is removed The operation occurs by means of 3 push buttons Mode toggle up arrow A and down arrow VW Control of settings The mode button is held down for about 2 3 seconds to obtain the setting mode This is confirmed by the fact that the LED is lit at the AU scale and that the setting of the AU max parameter can be read on the matching scale With A and Y the setting can be changed For every su
13. ified They must be connected as shown below unused terminals are not shown 5 1 1 Connection diagram L1 BUSBAR L2 L3 Bi CSQ So ee ee ee 7 I g 9 WE 3 CB ON ies LK cB S I vu SYNC NEEN l Q OK I 3 6 System status L1 L2 L3 i RUN a E 1 Y 4189340263K UK 6 Commissioning Before commissioning Warning 7 Technical data Accuracy Resolution Settings range Max frequency difference Input range Un Busbar input Generator input Max input voltage Frequency range Relay contact Relay contact ratings Gold plate silver alloy Mechanical life Electrical life Check phases for correct voltage and correct phase sequence Incorrect voltage may lead to malfunction and damage of the unit 2 electrical degrees 10 36 LEDs AQ 5 20 in 1 steps or 10 40 in 2 steps AU 1 10 in 1 steps tr 0 1 sec in 0 1 sec steps or oo ta 0 1 sec in 0 1 sec steps Ubus offset Off or 4 levels of noise suppression dead bus No limit 100 127V AC 115V AC or 220 240V AC 230V AC or 380 415V AC 415V AC or 440 480V AC 450V AC Load 2kQ V Max 2VA Also supply for the unit 1 2 x Un continuously Above 450V 1 1 x Un continuously 2 x Un for 10 sec 40 70Hz supply 1 SPST NO contact Resistive loads AC1 8A 250V AC DC1 8A 24V DC Inductive loads AC15 3A 250V AC DC13 3A 24V
14. or the CEC Canada CAUTION Risk of electrical shock More than one main disconnect may be required to de energize equipment before servicing 4189340263K UK Dimensions Please see drawing in section 8 Panel cut out 91x91 1 mm Weight lt 0 40 kg Page 140f 21 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 8 Dimensions syNoHROScOPE DA AC Wa All dimensions in mm 9 Order specifications Input voltage and type must be specified when ordering the CSQ 3 Order specification for the CSQ 3 consists of the following CSQ 3 Un type 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 Land Means the land version without GL approval This is the standard version Marine Means the marine version with GL approval and equipped with an additional output for surveillance Example of an order specification for the CSQ 3 CSQ 3 415V Marine 4189340263K UK Appendix 1 Setting and parameters for synchronising Settings AU Here the allowed relative voltage difference between GEN and busbar is
15. rror can be calculated The moment the phase is within the set phase window Ag the relay of the CSQ 3 is activated on condition that there is space for the chosen tr in this case 0 2 sec If Af is too big it will cause lack of space for the chosen tr time within the chosen Ag window Example 1 With a phase change of 36 sec the phase will change 7 2 during the 0 2 sec This means that we can now calculate the phase displacement at the exact moment when the breaker closes Ag is set to 10 and 10 The CSQ 3 relay will be activated 10 before top 12 o clock position and after 7 2 the breaker closes which means that the breaker closes 10 7 2 2 8 before top that is an actual synchronising error of 2 8 Applying the formula on page 17 the max Af 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 phase changes with a rate of 72 sec With a phase change of 72 sec the phase will change 14 4 during the 0 2 sec which gives a synchronising error of 10 14 4 4 4 The negative result means that the breaker closed 4 4 after top that is an actual synchronising error of 4 4 Example 3 The same as examples 1 and 2 but with a slip frequency of 0 3Hz 108 sec At ta 0 2 sec the phase will change 21 6 As the Ag window is set to 10 the CSQ 3 will calculate that there is no longer space for a tr pulse of 0 2 se
16. s in example 1 0 277Hz The max slip frequency Af could also be controlled by setting Aq differently If Ag was set to 5 instead of 10 the max Af would be 0 138Hz at tr 0 2 sec With this setting and a Af of 0 1Hz the actual synchronising error will be 2 2 Please notice that the breaker 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 to show that tr and Ag are inextricably connected and influence the same parameters but with different results as to the calculation of the actual synchronising error If tr is set to infinite the max allowable Af can no longer be controlled by means of tr When tr is set to infinite the setting of ta is automatically activated Infinite tr is primarily used where the CSQ 3 is applied as supervision of an automatic synchronising system or in connection with closing of a tie breaker where you want to control frequency phase and voltage to be within certain values before the breaker is closed The setting of ty is to be calculated from Ag and the estimated max allowable Af Ag Ag 360 x Af ty Example 1 Ag is set to 7 and a max Af of 0 05Hz at the moment of synchronising is estimated to be allowable 7 7 360 x 0 05 ta 0 77 sec 0 8 sec Please notice that when tr is set to infinite the synchronising
17. se window e Voltage gt 70 of Unominat ty Here the time is adjusted in which the phase difference must be inside the preset synchronising window to allow SYNC The regulating range is 0 1 sec in steps of 0 1 sec ta is only activated if tr is set to ce Page 16 of 21 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 Dead bus The possibility of closing the circuit breaker even though the busbar voltage is missing There is an extra adjustment Usus where the level of dead busbar can be set This facility makes dead bus synchronising possible even though there is noise on the busbar The regulating range is off or 10 40 of Un in steps of 10 Setting Dead bus function Usus OFF Deactivated 10 Activated within the range 15 25 of actual generator voltage gt 70 20 Activated within the range 25 30 of actual generator voltage gt 70 30 Activated within the range 30 40 of actual generator voltage gt 70 40 Activated within the range 40 50 of actual generator voltage gt 70 Please notice that this setting is a coarse step regulation for suppression of possible noise on the busbar The scale 10 20 30 40 should therefore be considered more as a 4 level noise suppression than as an accurate measuring setting Please notice that when the voltage on the net has been restored the CSQ 3 will remain in the dead bus function for a period o
18. simulates the pointer tip of an analogue pointer instrument If the LED is lit in the 12 o clock position the phase difference is 0 degrees In the 6 o clock position 180 degrees etc With 36 LEDs the resolution is 10 degrees The movement of the lit LED s position indicates the frequency difference between GEN and BB If the indication is turning clockwise too fast the GEN frequency is too high in proportion to the BB frequency If the indication is turning counter clockwise the proportion is inversed The rate of the motion tells about the frequency difference The faster the rotation the bigger the frequency difference e g 1 rotation per second 1Hz If the BB frequency is 50Hz and the rotation turns right the GEN frequency will be 51Hz in this example If the frequency difference between GEN and BB is becoming too big gt 3Hz the circular motion stops and a LED will be lit at the too fast or too slow mark dependent on which direction the GEN frequency has to be adjusted to Normal synchronising The unit automatically calculates the synchronising parameters to check if there is the required space for the synchronising inside the preset phase window These calculations compare the frequency difference with tr and the size of the phase window When tr is set to ty can be set by the user and is then included in the calculations instead of tr If the Ag window is set symmetrically both underfrequency synchronisin
19. this hold down the mode button for approximately 5 seconds Then the LED circle will light up and rotate to indicate that the factory settings have been restored 4189340263K UK 4 Terminal list 4 1 Overview of the terminals Terminal Signal Signal name no symbol 1 R L1 Busbar voltage D Not used 2 S L2 Busbar voltage D Not used 3 SYNC Relay output 4 SYNC Relay output D Not used 5 R L1 Generator voltage D Not used 6 S L2 Generator voltage Only on marine version failure System status circuit off open collector open collector Rear view of the unit Land version EA Ce TYPE BUSBA GEN INPUT SYNC OUTPUT BUSBAR x CSOQ 3 Land R INPUT 115V 0 5mA 50 60Hz SYNC Lech 3 4 115V lt 20mA 50 60Hz 250VAC 24VDC 8A res GEN R x 5 4 ZU La di Marine version E Ce TYPE BUSBAR INPUT GEN INPUT SYNC OUTPUT BUSBAR s x 2 CSO 3 Marine 115V 0 5mA 50 60Hz 115V lt 20mA 50 60Hz 250VAC 24VDC 8A res 4 Page 10 of 2 1 Tel 45 9614 9614 e Fax 45 9614 9615 e E mail deif deif com User manual Check synchroscope CSQ 3 5 Wiring diagrams 5 1 AC input connections When ordering the CSQ 3 the correct range of voltage inputs must be spec
20. window was left in connection with the interruption occurs if the interruption results in a noise pulse If Ag is set asymmetrically so that only e g positive Af is accepted and Af changes sign inverse direction after the phase between generator and busbar is within the phase window the synchronising pulse is not interrupted until the Ag window is left even if Af has changed sign to negative Af If Af is changed to correct direction of rotation after the phase is within the phase window the CSQ 3 calculates if there is space for tr the synchronising pulse and in that case synchronising pulse is emitted Errors and changes excepted 4189340263K UK
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