DKG-705 AUTOMATIC MAINS FAILURE AND REMOTE START ...

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DATAKOMDKG-705 User’s ManualProgram Group: 10This group of programs defines the No Break Transfer and Parallel with Mains featurecharacteristics.This group is reserved for factory and qualified installation personal andmust not be modified by end users or non-qualified service personal.Otherwise severe damage may occur.Group Param. Definition Unit Min Max Description10 A00 No Break Transfer - 0 1 0: No break transfer disabled.1: No break transfer enabled.10 A01 Soft TransferEnable- 0 1 0: Soft transfer disabled.1: Soft transfer enabled.10 A02 GOV Control - 0 1 0: Governor control disabled.Enable10 A03 GOV ReversePolarity10 A04 AVR ControlEnable10 A05 AVR ReversePolarity10 A06 Ignore PhaseOrder10 A07 SynchronizationFail Timeout10 A08 Soft TransferTimer10 A09 ContactorTimeout10 A10 Max FrequencyDifference10 A11 Max VoltageDifference1: Governor control enabled.- 0 1 0: Governor control normal polarity (speedincreases with voltage increase).1: Governor control reverse polarity (speeddecreases with voltage increase).- 0 1 0: AVR control disabled.1. AVR control enabled.- 0 1 0: AVR control normal polarity (voltageincreases with resistor decrease).1: AVR control reverse polarity (voltagedecreases with resistor decrease).- 0 1 0: Phase order check enabled. This option isused in 3 phase gensets.1: Phase order check disabled. This option isused in single phase gensets.Sec. 0 60 If the phase and voltage synchronization is notsuccessful before the expiration of this timer,then a Synchronization Fail Warning is givenand the DKG-705 renounces the No BreakTransfer and makes a conventionalchangeover.Sec. 0 60 This is the time duration of the Soft Transfer.At the end of this timer one of the contactorswill release to terminate the parallel operation.Sec. 0 5 This is the maximum time duration in whichboth contactors are active in case of No BreakTransfer. It is advised to set this timer to0.5sec.Hz 0.1 2.0 This is the maximum difference between mainsand genset frequencies to enable a NO BreakTransfer. Note that the DKG-705 adjusts theGOV output to bring the genset to the samefrequency with the mains.V 0 20 This is the maximum difference between themains phase-R and the genset phase-Uvoltages to enable a NO Break Transfer. Notethat the DKG-705 adjusts the AVR output tobring the genset to the same voltage with themains.705-UE.doc - 48 -
DATAKOMDKG-705 User’s ManualGroup Param. Definition Unit Min Max Description10 A12 Max PhaseDifferenceDeg. 0 20 This is the maximum phase difference betweenthe mains phase-R and the genset phase-U toenable a NO Break Transfer. Note that theDKG-705 adjusts the GOV output to bring thegenset to the same phase with the mains.10 A13 Governor Start - 0 255 This is the rest value of the governor controloutput. Always set this value to 128, which isthe mid-course. However, if needed, enginefrequency adjustment may be made throughthis parameter.10 A14 AVR Start - 0 255 This is the rest value of the AVR control output.Always set this value to 128, which is the midcourse.However, if needed, genset voltageadjustment may be made through thisparameter.10 A15 Frequency LockGain- 0 255 This parameter defines the reaction speed ofthe governor output to phase differencesbetween genset and mains phases duringsynchronization. The standard value for thisparameter is 32. But it must be readjusted forthe engine during manufacturing. If thisparameter is too high, a phase oscillation mayoccur. If it is too low, the phase locking will beslower.10 A16 AVR Gain - 0 255 This parameter defines the reaction speed ofthe AVR output to voltage differences betweengenset and mains phases duringsynchronization. The standard value for thisparameter is 64. But it must be readjusted forthe genset during manufacturing. If thisparameter is too high, a voltage oscillation mayoccur. If it is too low, the voltage matching willbe slower.10 A17 Genset PowerRatingKW 10 2400 This value will be used in future load sharingoption.10 A18 KW Ramp KW/s 0 240 In case of a soft transfer, the load’s activepower (KW) will be transferred to the mainswith this rate.10 A19 KVAr Ramp KVAr/s 0 240 In case of a soft transfer, the load’s reactivepower (KVAr) will be transferred to the mainswith this rate.10 A20 KW Gain - 0 255 This parameter defines the reaction speed ofthe KW control during soft transfer. Thestandard value for this parameter is 64. But itmust be readjusted for the genset duringmanufacturing. If this parameter is too high, aKW oscillation may occur. If it is too low, theKW transfer will be slower.10 A21 KVAr Gain - 0 255 This parameter defines the reaction speed ofthe KVAr control during soft transfer. Thestandard value for this parameter is 64. But itmust be readjusted for the genset duringmanufacturing. If this parameter is too high, aKVAr oscillation may occur. If it is too low, theKVAr transfer will be slower.10 A22 Controller ID - 0 15 This is the address of the unit in aninterconnected group for use in paralleloperation.705-UE.doc - 49 -
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