background image

ETI d.d., 

Obrezija 5, SI-1411 Izlake 

www.etigroup.eu/products-services

 

 

 

PFC 12 RS 

Power factor correction controller 

User and service manual 

 

 

 
 
 

version 3.9 

 

Summary of Contents for PFC 12 RS

Page 1: ...ETI d d Obrezija 5 SI 1411 Izlake 1 www etigroup eu products services PFC 12 RS Power factor correction controller User and service manual version 3 9 ...

Page 2: ...St 9 6 9 Fixed capacitor stages FISt 9 6 10 Connection configuration CoCo 9 6 11 Reactive power offset rCPo 10 6 12 Regulation to average or instantaneous power factor ˉCoS 10 6 13 Averaging time for APFR tACo 10 6 14 Recording of number of operations and maximum values C_St 10 6 15 De compensation steps settings E_IC 10 6 16 Alarms 11 6 17 Configuration of RS485 communication port PFC 12 RS 11 6 ...

Page 3: ... it is ON when instantaneous or average value of cosφ is shown on the display 6 LED amp volt it is ON when value of measured current voltage is shown on the display 7 LED harm it is ON when total harmonic distortion of current voltage is shown on the display 8 LED kvar kW it is ON when powers are shown on the display 9 LED alarm it is ON when alarm is present 10 LED STAGES dichromatic LEDs indicat...

Page 4: ...r the time longer than 5 seconds After that device will switch to the configuration menu and on the display will appear parameter CoS1 4 By pressing the button SET once again display will show target cosφ Setting the targeting values of cosφ is done via buttons and 5 Confirmation of the set value CoS1 is done by pressing the button SET 6 Press the button until the parameter Itr will appear on the ...

Page 5: ... current and voltage up to 19th harmonics and counts THD factor of voltage and current The regulator can operate not just with compensation capacitor stages but also with de compensation reactor stages as well at the same time The power of these reactor stages will be registered with the negative numerical sign De compensation reactors has to be connected after last capacitor stage If the automati...

Page 6: ... SET again regulator will save changed value to the internal memory and on display symbol of the set parameter will appear again Via buttons it is possible to move to another parameter see the table 4 4 If the offered parameter is not the one which is requested to be modified follow via buttons to the requested parameter 5 Regulator turns back automatically from configuration mode after 1 minute w...

Page 7: ...F off alarm does not operate IH current trigger value for an alarm activation 0 0 8 A t_IH minimum event duration for an alarm activation 0 0 3600 s o_IH alarm event disconnects compensation steps oFF on oFF Co AL alarm for cosφ that is permanently over set limits oFF on oFF off alarm does not operate _Co cosφ level value for an alarm activation 0 0 80 cap 0 80 ind t_Co minimum event duration for ...

Page 8: ...l start to detect connected stages The symbol CoCo will appear on the display and first capacitor stage will be switched on and off 6 times in the cycle of 20 seconds Detection of regulator connection to the network is followed by detection of power of connected capacitor stages During detection the measured values of each stage are shown on the display Measured values are being rounded on 0 5 kva...

Page 9: ...closings Number that appears on display has to be multiplied by 1000 6 9 Fixed capacitor stages FISt On the display it is represented by symbol FISt This parameter allows to set stages as a fixed ones The regulator is not counting those stages for regulation cycle Each stage can stay in three working regimes Auto stage is normally regulated by controller oFF always off status indication LED blinks...

Page 10: ...rage cosφ calculation 15 30 45 and 60 minutes Default value of period for average cosφ calculation is 30 minutes which refers to half period set from factory on 15 minutes It is suitable for most of applications After entering selected parameter currently set value of time period will appear Via buttons it is possible to change this value Another pressing of button SET saves new value into the reg...

Page 11: ...mative without feedback on the alarm output 6 17 Configuration of RS485 communication port PFC 12 RS Following parameters relate to configuration of serial communication for RS485 port MODBUS communication protocol Id defines the number of device in the RS485 network and can be set from 1 255 bAUd defines communication speed between the controller and PC Default value is 0 PAr by default it is set...

Page 12: ..._AP three phase apparent power P_rL three phase active power P_rC three phase reactive power rC_P allowed three phase reactive power Shtd deceleration time C1_S number of 1st stage operation C1_t total operation time of 1st step C2_S number of 2nd stage operation C2_t total operation time of 2nd step C12S number of 12th stage operation C12t total operation time of 12th step U_Fr system frequency t...

Page 13: ...ings is divided to the 12 for PFC 12 independent levels For the first stage the display will show symbol C1_S and after it disappears the number of first stage circuit closings will be displayed By simultaneous pressing of buttons SET and MAN this information can be erased To another level where information about second stage is move by pressing the button The rest of procedure is the same as for ...

Page 14: ...ge measuring voltage according the type 400 V AC 10 15 Frequency 50 60 Hz Current range 0 003 6 A Measurement accuracy of current input 0 2 Measurement accuracy of voltage input 0 5 THDU and THDI accuracy U 10 Un 5 I 10 In 5 Phase error for I 3 In 3 otherwise 1 Power consumption 6 VA Output channels number 6 or 12 Switching power of alarm output 250 V AC 5 A Switching power of relay contacts 250 V...

Reviews: