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KMB NOVAR 2100, Operating Manual

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NOVAR 2100/2200 Operating Manual

3.1.3.3 PFC Control & PFC Alarms Setup

Finally, the PFC control parameters (1 ÷ 19) and the PFC alarms parameters (40 ÷ 56) can be 
modified, in necessary.
Detailed description of all of the parameters follows below. 

20

Summary of Contents for NOVAR 2100

Page 1: ...lic tel 420 485 130 314 fax 420 482 736 896 email kmb kmb cz internet www kmb cz NOVAR 2100 NOVAR 2200 Power Factor Controllers Operating Manual Document revision Release date Valid for versions hardw...

Page 2: ...s Automatic Connection Detection 15 3 1 3 PFC Setup 17 3 1 3 1 PFC Output Setup 17 3 1 3 2 Automatic Output Recognition AOR Process 18 3 1 3 3 PFC Output PFC Alarms Setup 20 4 DETAILED DESCRIPTION 21...

Page 3: ...ler No 21 40 4 3 4 3 Output Type Nominal Power No 25 41 4 3 4 4 Output Control State No 26 42 4 3 4 5 Output Switch Count Switch On Time No 27 28 42 4 3 4 6 Fan Heater Temperature Thresholds No 29 31...

Page 4: ...ompensation Reserve Powers 63 5 COMPUTER CONTROLLED OPERATION 65 5 1 Communication Interface 65 5 1 1 Service USB Interface 65 5 1 2 RS 485 Interface COM 65 5 1 2 1 Communication Cable 65 5 1 2 2 Term...

Page 5: ...ed mains compensation decompensation capability selectable two rate operation controlled with active power level or external signal optional input automatic output section recognition any combination...

Page 6: ...edded webserver for instruments with Ethernet interface 1 2 Operation After an activation of supply voltage the instrument accomplishes internal diagnostics and then it starts to measure and display a...

Page 7: ...P Q Fundamental Harmonic Values Branch cos tan actual values only Pfh Qfh Qfh RC RL see the next figure for details fundamental harmonic branch indicated with the H character similarly Avg AvgMax Avg...

Page 8: ...armonic Measured Values Branch 8 3 phase power factor cos tan Pfh 3 phase active power Qfh 3 phase reactive power Actual Avg AvgMax AvgMin actual values only Actual Avg AvgMax AvgMin Actual Avg AvgMax...

Page 9: ...voltage according the technical parameters especially when line to line voltage is connected 2 2 1 1 NOVAR 2100 It is necessary to connect an auxiliary supply voltage in the range as declared in techn...

Page 10: ...however its function and position must be clearly marked symbols O and I according to EN 61010 1 If one of the supply signals is neutral wire N or PEN usually a single breaker in the line branch is su...

Page 11: ...4 Output connection example controller with 15 outputs Any combination of compensation capacitors and chokes can be connected to the instrument outputs via appropriate contactors If not of all outputs...

Page 12: ...nd voltage specification line 2 5 0 nominal frequency Hz line 3 3 3 nominal voltage kV line to line Then the instrument starts display actual measured values Simultaneously if the instrument has a com...

Page 13: ...ia VT respectively Correct setting of the PNOM is not critical it influences percentage representation of powers and currents and statistical processing of measuring in the software only If the PNOM o...

Page 14: ...automatic connection detection process ACD is supposed Otherwise result of the process would fail and measured powers and power factor would be false 3 1 2 2 Angle of Voltage Connected to the U1 Input...

Page 15: ...ess Automatic Connection Detection This process not only detects and sets the U1 angle but network nominal votage UNOM as well For the ACD process usage capacitors only must be connected to the first...

Page 16: ...sual especially when reactive power in measured network fluctuates strongly Fig 3 3 ACD Process Unsuccessful Step Results There may be cases where the angle measured with a permissible tolerance does...

Page 17: ...ss again by resetting the U1 angle to or if necessary set it and the UNOM manually Sometimes it is necessary to start the ACD process at disconnected load or at zero load for example when testing a co...

Page 18: ...arameter No 12 must be set first otherwise all of chokes or any inductive character type outputs will be recognized as zero outputs If the CT ratio parameter 71 is not set or its value is 5 5 A or 1 1...

Page 19: ...e power value of the section under test Otherwise the measurement result is unsuccessful As a rule of thumb the section values are recognized the more precisely the lower the load is in the power syst...

Page 20: ...rating Manual 3 1 3 3 PFC Control PFC Alarms Setup Finally the PFC control parameters 1 19 and the PFC alarms parameters 40 56 can be modified in necessary Detailed description of all of the parameter...

Page 21: ...der relevant setting The section temporarily disabled is periodically tested and enabled for control again when possible Wide assortment of the instrument s alarms can be used both for indication and...

Page 22: ...r cos tan three phase power factor full spectrum three phase fund harmonic power factor PF or cos tan the fund harmonic power factor format selectable with the parameter 79 4 P or Pfh three phase acti...

Page 23: ...rocessed according set averaging method and length of averaging window individually for U I group and P Q S group of quantities Maximum and minimum values of them are registered into the instrument s...

Page 24: ...further right into the fundamental harmonic values branch and vice versa To distinguish actual displayed branch the H symbol is displayed for the fundamental harmonic branch Actual values only of fun...

Page 25: ...if leading overcompensation negative Qfh value the flag flashes If the deviation exceeds the value of the smallest output the corresponding flag is shown permanently The control deviation flag is not...

Page 26: ...se energies of four quadrants EP three phase imported active energy indicated with kWh or MWh or kMWh GWh EP three phase exported active energy indicated with kWh and preceeding sign EQL three phase i...

Page 27: ...ee phase apparent energy registered during the EP value was positive indicated with kVAh ES three phase apparent energy registered during the EP value was negative indicated with kVAh and preceeding s...

Page 28: ...ither when the power factor control cannot be performed for some reason voltage current too low no compensation steps available or when operator switches display to parameters flashing symbol AOR proc...

Page 29: ...gets into the standby state simultaneously 4 3 Setup Parameters For proper operation in particular conditions the instrument must be set The instrument setup is determined using parameters The parame...

Page 30: ...or about 30 seconds 4 3 1 1 Side Branch Parameters The parameter groups are organized by ordinal number in the main branch see figure below The main branch is identified with a dash in the 1st line pr...

Page 31: ...open If the instrument is locked you can unlock it using the following procedure which is similar to editing of other parameters 1 Press the key and scroll to parameter group 00 with arrow keys value...

Page 32: ...line 2 averaging period for MD line 3 Electricity meter display mode 0 01 60 4E MD 8E 15 min 4E MD floating window type averaging method applied as default 79 fund harmonic PF display format cos tan...

Page 33: ...n below average period for MD electricity meter display mode parameters No 78 in the chapters Embedded Electricity Meter Processing further below and Electricity Meter above fundamental harmonic PF di...

Page 34: ...le formats tan Toggled with the key 07 control time UC OC tariff 2 line 2 c time at undercompensation UC line 3 c time at overcompensation OC 5 sec 20 min 5 sec 20 min 3 min 30 sec No L control time r...

Page 35: ...ied in the range from 5 seconds to 20 minutes It can be set different for undercompensation marked as UC in line 2 and overcompensation OC line 3 cases The value specified determines the frequency of...

Page 36: ...ariff 2 set parameters are irrelevant I n P input actual tariff set is controlled by external signal If the controller s digital input is not activated the tariff1 set is used if the controller s digi...

Page 37: ...ilable such sections are permanently disconnected Furthermore neither available chokes in the automatic output recognition AOR process are detected In order the AOR process to determine values of the...

Page 38: ...ch as renewable resources power plants where continuous power factor control in some range usually symmetric to both sides from neutral value of 1 is required In such cases the same or similar sets of...

Page 39: ...gets irrelevant 4 3 4 PFC Output Parameters 4 3 4 1 Automatic Output Recognizer AOR Launch No 20 With the automatic output recognition AOR process the controller can detect both the output types capa...

Page 40: ...ropriate output control state different from fan heater 30 the penultimate output fan heater temperature thresholds line 2 on temperature threshold C line 3 off temperature threshold C fan 10 60 C hea...

Page 41: ...corresponding to weights 6 and higher are set to the same size as the weight 5 Both control and fixed outputs are filled only the outputs preset as alarm or fan heater control are left unaffected 4 3...

Page 42: ...ing mode is set the fixed outputs are taken as non existent and they are simply skipped Furthermore the upper three outputs can be set to F A n H E A fan heater The output is used for fan heater contr...

Page 43: ...switch off threshold in line 3 marked with symbol On the example at left we can see thresholds for the penultimate output probably set as heater i e the output 2 8 for 2100 R18 models the output 2 8 w...

Page 44: ...r circular In this mode the controller connects or disconnects compensation sections in the circular fashion which means always the output that was disconnected first i e that is disconnected for the...

Page 45: ...on described below the alarm indication function has no effect on the PFC control process For most of the alarm events you can set the alarm actuation function too The actuation means intervention in...

Page 46: ...he alarm ouputs relays AR1 AR3 The characters mean corresponding alarm output does not exist is not set O corresponding alarm output not affected by appropriate alarm event 1 2 3 corresponding alarm o...

Page 47: ...sec 20 min 0 5 sec fixed sections not affected by actuation 49 10 PF PF control failure PF control deviation out of contr b width Qfh QfhAVG 1 sec 20 min QfhAVG 5 min I indication only 50 11 NS number...

Page 48: ...e same way as the tariff 2 control power parameter see above Depending on this either standard value or absolute value of active power value is compared with the preset limit PF Power factor control d...

Page 49: ...onents are checked individually If connecting and disconnecting a section does not repeatedly result in adequate change to reactive power in the power system or a change to reactive power measured is...

Page 50: ...connecting the section it will include the section back in the control process again In this way for example a repaired section is automatically included in compensation after replacing section fuse f...

Page 51: ...preset delay time the alarm gets active As soon as the power factor control process resumes the alarm is deactivated immediately 4 3 5 7 RCF Remote Control Failure Alarm This alarm will serve for rem...

Page 52: ...ss manual output manipulation is allowed for testing purposes 4 4 1 Control State In the control state the controller carries out its standard task the power factor control process The process consist...

Page 53: ...eviation flag disappears the control time countdown is stopped and the value stops showing But there are two exceptions to this if either at least one control choke or generally inductive character se...

Page 54: ...s indicated by flashing symbol During the manual state no power factor control takes place state of the outputs stay unchanged They are restored into this state even after a power failure But the outp...

Page 55: ...ting disconnecting is specified in description of parameter 35 Reconnection delay time is respected when connecting If the controller is left in the automatic control mode it will carry out evaluation...

Page 56: ...ains cycles counted during the 10 second time clock interval divided by the cumulative duration of the integer cycles If value of frequency is out of measuring range such state is indicated with flash...

Page 57: ...orrespondent voltage and current phasors i1 Total harmonic distortion of voltage THDU 1 1 U 1h1 i 2 40 Uih12 100 Total harmonic distortion of current THDI 1 1 I 1h1 i 2 40 Iih1 2 100 4 5 4 Power and P...

Page 58: ...on supply and the character of reactive power according to phase difference For outright specification of the quadrant the power factor of the fundamental harmonic component cos is expressed according...

Page 59: ...to 25th order are displayed Higher components are available via communication link only temperature the value is refreshed each temperature measurement cycle see above Actual values read from an inst...

Page 60: ...me On the instrument s display only 9 digits can be viewed therefore after energy value exceeds 99999999 9 kWh kvarh instrument s display format automatically switches to MWh Mvarh then to Gwh Gvarh 4...

Page 61: ...1 phase L1 fundamental harmonic active power T preset target angle between fundamental voltage and current phasors When target power factor is specified in the cos format it can be declared Target ang...

Page 62: ...istortion Ui voltage of ith harmonic component V U1 voltage of fundamental harmonic component V is not suitable as a criterion of capacitor current overload due to harmonic distortion because it does...

Page 63: ...RL1 QCON1 QLOFF 1 Qfh1 where QCOFF1 sum of L1 phase capacitive type reactive power components of the control outputs being just switched off capacitive reactive power of an output considered as posit...

Page 64: ...appears 5 Now let the controller running for reporting period usually at least one week After that check new registered maximum and minimum average values of reserve powers Compensation Reserves Comp...

Page 65: ...is not crucial It is practically possible to use any shielded cable with two pairs of wires and to connect the shielding with the Protective Earth wire in a single point With cable lengths over 100 m...

Page 66: ...he user s program the instrument is also equipped with the Modbus RTU Modbus TCP communications protocol A detailed description of the communications records can be found in an appropriate manual 5 3...

Page 67: ...NOVAR 2100 2200 Operating Manual 6 Examples of Connections NOVAR 2100 R15 Typical Installation Direct Connection 1Y3 15 Contactor Sections 67...

Page 68: ...NOVAR 2100 2200 Operating Manual NOVAR 2100 R24 Typical Installation Direct Connection 1Y3 24 Contactor Sections 68...

Page 69: ...NOVAR 2100 2200 Operating Manual NOVAR 2100 R18 Installation Example Direct Connection 1Y3 16 Contactor Sections 2nd Tariff Control Fan Alarm 69...

Page 70: ...NOVAR 2100 2200 Operating Manual NOVAR 2100 R09 Installation Example Connection of Current on the Transformer Primary Side 1D3 9 Contactor Sections 70...

Page 71: ...NOVAR 2100 2200 Operating Manual NOVAR 2200 R09 Installation Example Connection of Voltage Current on the Transformer Primary Side 1D3 9 Contactor Sections 71...

Page 72: ...NOVAR 2100 2200 Operating Manual NOVAR 2400 R18 4 RS485 Remote Communication Connection 72...

Page 73: ...NOVAR 2100 2200 Operating Manual 7 Manufactured Models and Marking 73...

Page 74: ...range 40 70 Hz measuring uncertainty 10 mHz Voltage NOVAR 2100 NOVAR 2200 measuring range the same as auxiliary voltage 50 800 VAC measuring uncertainty tA 23 2 C 0 05 of rdg 0 02 of rng temperature...

Page 75: ...200 measuring uncertainty THDI 100 0 6 THDI 100 0 6 of rdg Measured Quantities Temperature TI internal sensor measured value affected by the instrument power dissipation measuring range 40 80 C measur...

Page 76: ...perature 40 to 80 C operational and storage humidity 95 non condensable environment EMC immunity EN 61000 4 2 4kV 8kV EN 61000 4 3 10 V m up to 1 GHz EN 61000 4 4 2 kV EN 61000 4 5 2 kV EN 61000 4 6 3...

Page 77: ...anty repair is claimed the warranty certificate must be sent in In case of an out of warranty repair you have to enclose an order for the repair Warranty Certificate Warranty period of 24 months from...

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