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Operating Instructions

Reactive Power Control Relay RM 2106/12

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Summary of Contents for RM 2106/12

Page 1: ...Operating Instructions Reactive Power Control Relay RM 2106 12 ...

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Page 3: ...erator must ensure that all operatives are familiar with these operating instructions and proceed accordingly The device conducts mains voltage and should not be opened If the device is obviously damaged it should not be installed connected or commissioned If the device does not work after commissioning it should be disconnected from the mains again Any other laws standards guidelines etc regardin...

Page 4: ...citive operating status c Digital display d LED indicates regenerative power e Display for current or historical alarms f LED lights up in setup mode g LED lights up in manual mode h Multifunctional button see operating instructions i Selection key for manual mode setup mode or automatic mode ...

Page 5: ...rans former k Optional connector for improved measurement of harmonic wave l Connector for power supply to the control relay m Connectors for the control contacts that switch the contactors The shared pole is connected to terminal L n Typical connection ...

Page 6: ... 4 5 Response current 5 20 4 6 Relative value of the switch outputs 6 22 4 7 Service 7 22 5 Functioning and operation 23 5 1 Automatic control mode 23 5 2 Displaying the total harmonic distortion factor 23 5 3 Check System 23 5 4 Manual mode 24 6 Alarms and troubleshooting 25 6 1 Connection errors 25 6 1 1 E3 No capacitors 25 6 1 2 E1 Defect capacitor stages 25 6 1 3 E2 Incorrect connection 25 6 1...

Page 7: ...lay works and how to operate it Section 6 Alarms and troubleshoot ing describes alarms and error mes sages of the control relay Troubleshooting information is also provided there 1 2 Scope of functions Below is a brief overview of the various functions of the device 12 switching contacts at RM 2112 and 6 switching contacts at RM 2106 Power factor display Total harmonic distortion factor display vo...

Page 8: ...dy and secure assembly The elec trical connection is created by means of plug in connectors which are also in cluded in the delivery 2 2 Voltage connection Reactive power control relay obtains its voltage supply via terminals L and N see figure 2 item l A phase conductor is to be connected to terminal L and neutral conductor to ter minal N For advanced connection variations see sections 2 7 to 2 1...

Page 9: ...of 4 A 2 5 Switching contacts The shared pole of all switching contacts Figure 2 item m is connected to ter minal L of the voltage supply Important information The outputs of the switching contacts do not have floating potential When the switching contacts are switched the same voltage is applied as is used to supply voltage to the control relay connection L The contactor relays of the capacitor s...

Page 10: ...Meas is not in use In this connection variant only the 5th 7th 11th and 13th harmonics of the volt age are used to calculate the harmonic overcurrent in the capacitor This connection variant can be chosen if the above mentioned harmonics are suf ficient for monitoring overcurrent or if overcurrent monitoring has been com pletely switched off setup code 2 see section 4 2 Current transformer and ter...

Page 11: ... be tween terminal L and terminal Meas Because the voltage signal is recorded between two phase conductors to which the capacitors are also connected the dU dt measuring procedure can be used for calculating the overcurrent This means that all frequencies up to the 31st harmonic are taken into account calculating harmonic overcurrent in the capacitor see also section 4 2 The total harmonic distort...

Page 12: ...he control voltage of the transformer may not exceed 240VAC If the voltage signal is tapped by the con trol transformer between two phase conductors connection must be as shown in the diagram The measuring procedure then is similar to that for the extended connection see section 2 8 If the control transformer taps the voltage signal between a phase conductor and neutral the terminal Meas must rema...

Page 13: ...nal Meas is used the voltage for terminals Meas and L must be connected each to a phase conductor For all types of connections figure 3 to 6 it is also possible to connect the current transformer in phase conductors L2 or L3 In this case the voltage connections to the phase conductors should be ex changed accordingly If the control relay operates with auto matic response current recognition con ne...

Page 14: ...ection 3 2 If the measuring process is not complete after 15 minutes then an error has probably occurred Important information The device should always be switched off before carrying out wiring or installation activities For help in troubleshooting see section 6 Note The control relay needs to be con nected to at least one capacitor stage to switch in order to determine the type of connection Mak...

Page 15: ...tor appears on the display If the power factor displayed does not correspond to the actual power factor the identification of the connection must be repeated This is activated by press ing the Select and Voltage thd keys simultaneously for at least 3 seconds check system 3 2 Subsequent start up The control relay begins with its normal regulatory program immediately after a power failure If the Sel...

Page 16: ...nductive 0 85 to 1 00 in steps of 0 01 2 Maximum harmonic over current until the alarm is activated 1 30 From 1 05 times to 1 95 times the fundamental wave current or OFF in steps of 0 05 3 Alarm output on contact 6 and contact 12 respectively switch on or off alarm E5 OFF no alarm E5 OFF or On with or without alarm E5 see section 4 3 4 Automatic determination of response current On OFF or On 5 Ma...

Page 17: ...ory mode if the Select key is held down approx 3 seconds Note During setup mode no controlling activities are carried out by the control relay If no key is pressed for about 15 minutes setup mode is quit automatically 4 1 Target power factor setting 1 The required target power factor can be set between 1 00 and ind 0 85 in steps of 0 01 This for example results in the following control characteris...

Page 18: ... power factor between 0 85 and 0 99 A distinction is made here be tween two different control bands The control bands are distinguished by a large or small zero preceding the decimal point in the target power factor input The type of control band shown in figure 8 can be achieved by means of a large zero preceding the decimal point of the target power factor setting The target power factor forms t...

Page 19: ...nd resulting resonance related amplifications then the control relay switches off all activated stages An alarm signal is emitted at the same time After the overcurrent falls below the limit ing value the control relay begins to acti vate the stages again after waiting about 5 minutes Note This function should be set to OFF when choked capacitor stages are used 4 3 Switching contact as alarm conta...

Page 20: ...sponse current identi fication is switched on 4 the response current is adapted to the connected power factor correction system to opti mum effect The response current determined can be read under setup code 5 but cannot be altered When automatic response current identi fication is switched off 4 the response current can be set between 0 02 and 2 A in steps of 0 01 A The correct setting for 400 VA...

Page 21: ... 09 0 12 0 15 0 18 0 24 0 30 0 36 0 48 0 60 0 72 1 20 500 5 0 02 0 05 0 06 0 07 0 10 0 12 0 14 0 19 0 24 0 29 0 38 0 48 0 58 0 96 600 5 0 04 0 05 0 06 0 08 0 10 0 12 0 16 0 20 0 24 0 32 0 40 0 48 0 80 750 5 0 03 0 04 0 05 0 06 0 08 0 10 0 13 0 16 0 19 0 26 0 32 0 38 0 64 1000 5 0 02 0 03 0 04 0 05 0 06 0 07 0 10 0 12 0 14 0 19 0 24 0 29 0 48 1500 5 0 02 0 02 0 03 0 04 0 05 0 06 0 08 0 10 0 13 0 16...

Page 22: ...t altered When automatic response current identi fication is switched off 4 the relative value of the switch outputs must be pro grammed manually The flashing LED in the stage display a indicate the switch output to which the relative value refers Pressing the Se lect key i briefly allows you to skip to the next relative value The switch outputs with the lowest ca pacity are assigned relative valu...

Page 23: ...ddition the control relay monitors the overcurrent in the capacitors and checks whether the connected capacitor power is sufficient for compensation If auto maticresponse current identification is activated the control relay also checks the power of the capacitors connected The control relay issues an alarm in the event of an error see section 6 5 2 Displaying the total harmonic dis tortion factor...

Page 24: ...od of about 10 sec onds the switching status of the selected switch output is inverted After switching the control relay remains in manual mode To quit manual mode press the Select key i for over 6 seconds until neither the Manual Mode LED g nor the Setup Mode LED f lights up Note No automatic switching activities are carried out in manual mode Manual mode does not terminate automati cally Alarm s...

Page 25: ...s have not been installed the current transformer is not located between power supply and loads in cluding PFC see connection dia grams 3 to 6 6 1 2 E1 Defect capacitor stages Possible causes individual capacitor stages only have 2 phase connections to the mains the defect capacitor stages do not draw a symmetrical current from the 3 phases 6 1 3 E2 Incorrect connection Possible causes the entire ...

Page 26: ...o the connected capacitor stage The connection must be checked if deviations are extreme The switching sequence determined is also stored in the setup mode 6 6 3 Alarms in automatic control operation The Alarm LED e lights up for as long as an alarm is active If alarm output was activated on contact 6 of the RM 2106 device or contact 12 of the RM 2112 device setup code 3 this contact also closes I...

Page 27: ...these stages as defect The defect stages can be read out as the cause of the alarm Note This function only works if automatic response current identification is active 6 3 4 U 0 No measuring voltage This message indicates that the control relay with connected Meas terminal has been put into operation however no volt age can be measured at this input at pre sent It is not possible to read the cause...

Page 28: ...nate the automatic measuring procedure Unstable mains supply strong power factor variation Wait for more stable mains condi tions or enter the response cur rent and switching sequence manually 5 One stage is continu ously activated and de activated in automatic Response current set too low Set the response current correctly in accordance with Table 1 or Formula 1 control relay mode Strong load var...

Page 29: ...rrectly according to Table 1 or Formula 1 stages at light load or standstill Control relay in manual mode Press the Select key i Table 3 Notes on troubleshooting 8 Technical data Mode of connection As shown in connection diagrams 3 to 6 Operating voltage Supply voltage Absolute permissible threshold values 220 240 V 195 264 V Frequency 50 Hz 60 Hz 48 to 62 Hz Consumption of supply voltage Approx 4...

Page 30: ...digital display Operating temperature range 20 ºC to 65 ºC Housing Plastic black flame retardant as per UL 94 V0 Mounting From the front panel using a screwdriver Front panel dimensions 144 x 144 mm DIN 43 700 Panel hole size 138 x 138 mm DIN 43 700 Installation depth 40 mm Weight approx 0 8 kg Installation position As required Connections Terminal block cable cross section max 1 5 mm AWG 16 Prote...

Page 31: ...31 Notes BA V1 11 ab SW V1 00 ...

Page 32: ...mic compensation of harmonics Reactive power control relays Maximum demand control systems Mains monitoring instruments Cost allocation Energy management systems Sales Programme Reactive Power Control Relay Model RM 2106 12 Quality is our Motto Quality has a Name We are certified for ISO 9001 and ISO 14001 FRAKO 55 05531 10 07 XXXX abV1 00 V1 11 Subject to technical alteration ...

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