Mounting Instructions / Manual MV1171 POWER FACTOR
Contents
1. C light is ON and one step is connected accordingly The NORMAL light will be ON after the connection of the step This operation must be repeated to connect more steps The capacitor steps are disconnected by pressing the DOWN button Each time the UP button is pressed the C light is ON and one step is disconnected after a delay time The NORMAL light will be ON after the disconnection of the step This operation must be repeated to disconnect more steps 5 2 Automatic C k Adjustment C k adjustment is started by pressing the UP DOWN buttons simultanously 5 3 Coso Adjustment By pressing the SET button for 3 seconds the SET menu 1s started AUER gt Display The Cos light is selected by using the UP DOWN buttons The LOS symbol is displayed The Cos adjustment is selected by pressing the SET button The previously adjusted value is shown on the display A value between 0 85 1 00 can be adjusted by using the UP or DOWN button Once the target value is displayed it is memorized by pressing the SET button and the ESTAmat MH N returns to its normal operating mode Za VISHAY z 3 4 6 T 8B 3 di 12 oooco0o00000o00d VISHAY ELECTRONIC GMBH DWiionESTA DS40G0LANDSHIT Gemary Blindleistungsregler ESTAmat MH12N Power Factor Controller Document Number 13156 Revision 19 April 2011 8 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 4 Step Time Adjustment A V2. D amp 10G LANOGHUT Gennany Bilindleistungsregler ESTAmat MH12N Power Factor Controller Document Number 13156 Revision 19 April 2011 13 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 9 Protection of Capacitor Steps Against Overvoltage This is a selectable function either U UF overvoltage protection Off or an overvoltage value between 240 275V can be selected If overvoltage occurs and the overvoltage value is selected between 240 275V then all the capacitor steps will be switched off the OVERVOLTAGE LED turns on and the alarm relay will be activated And if the ESTAmat MH N is in the manuel mode then it will switch to the automatic mode If UV UF is selected then overvoltage protection is not available Note For overvoltage values of the ESTAmat MH N with 380 415 VAC please refer to technical specifiations on chapter 9 Setting can be made as followed Q AY Push the SET button for 3 seconds and enter the SET menu gt Display Scroll to OVER V by means of the UP or DOWN button Gu is displayed mc Push the SET button for the overvoltage protection setting Either U UF or the preset overvoltage value is displayed Select either U UF to cancel the Overvoltage protection function or select a voltage value by the UP or DOWN button Push the SET button for 3 seconds and enter the SET menu Push the SET button to memorize the selected value The ESTA
3. capacitor steps the first step value will be the smallest and the following steps must be in multiplies of the first step Example If the first capacitor power is 5 kvar the capacitor power sequence of the following capacitors 1s as followed PS1 selection gt 5 5 5 2 5 PS2 selection gt 5 10 10 10 PS3 selection gt 5 10 20 20 Two different switching modes are available with the ESTAmat MH N a Circular Mode This switching program is clockwisely switching 1n off all steps of same size to distribute the load and switching operations uniformly on all capacitors and contactors to provide minimum switchings per step for maximum service life of the system There are 4 different circular switching program available PS1 PS2 PS3 PS4 b Linear Mode The switching program always starts with the first step up to the last one for switching on and off The advantage of this switching program is the availability of a large selection of capacitor steps matching to the step ratio rule as explained above The maximum possible ratio is x 2x 4x 8x 16x This switching program is selected in the PS5 option 6 5 Step Number Selection By selecting the step number no time is wasted to switch on off steps without capacitors As a result the compensation system can be used more effectively If the step number is not selected then the ESTAmat MH N will switch steps according to the step numbe
4. o By pressing the SET button for 3 seconds the SET menu is started OEE gt Display The TIME light is selected by means of the UP DOWN buttons While the TIME light is ON the Un symbol is displayed by means of the UP or DOWN button and the time delay adjustment for connection of the capacitor steps is selected by pressing the SET button While the TIME light is ON the amp UF symbol is displayed by means of the UP or DOWN button and the time delay adjustment for disconnection of capacitor steps to system is selected by pressing the SET button A value between 2 1800 sec is adjusted by using the UP or DOWN button Once the target value is displayed it is memorized by pressing SET button and the ESTAmat MH N returns to its normal operating mode VISHAY 2345678 9 42 OO00000000000 VISHAY E_ECTRONIC GMGH DvamESTA DAOI LANOGHUT Geman Blindleistungsregler ESTAmat MH12N Power Factor Controller Document Number 13156 Revision 19 April 2011 9 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 5 Step Number Selection AY By pressing the SET button for 3 seconds the SET menu is started Display The STEP light is selected by means of the UP DOWN buttons The 5EEP symbol is displayed The STEP number adjustment is selected by pressing the SET button The peviously selected value 1s shown on the display A preferred step number is selected by means
5. of the UP or DOWN button Once the target value is displayed it is memorized by pressing the SET button and the ESTAmat MH N returns to its normal operating mode A A VISHAY 1 23 4 5 G 7 8 8 WT OO0000000000 VISHAY ELECTRONIC GMBH Dive Blindleistungsregler ESTAmat MH12N Power Factor Controller Document Number 13156 Revision 19 April 2011 10 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 6 Switching Program Selection Q AY By pressing the SET button for 3 seconds the SET menu is started HIL gt Display The PROGRAM light is selected by means of the UP DOWN buttons The Prad program symbol is displayed The switching program is selected by pressing the SET button The previously selected value is shown on the display A value between PS1 PS5 can be selected by using the UP or DOWN button Once the target program is displayed it is memorized by pressing the SET button and the ESTAmat MH N returns to its normal operating mode a VISHAY 343 6 F amp 9 W TM 12 000000000000 VISHAY ELECTRONIC GMBH Ovsin ESTA DOW LANDGHUT Gennany Blindleistungsregler ESTAmat MH12N Power Factor Controller Document Number 13156 Revision 19 April 2011 11 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 7 Selection of C k Value by the User By pressing the SET button for 3 seconds the SET menu is started gt Displa
6. used for the power factor controller The wires connecting the CT to the power factor controller must be as short as possible and the diameter of the wire not less than 1 5 mm Since the current information is supplied by the CT the right selection of the CT is very important The secondary current of the selected CT must comply with the following current limits for correct measuring Minimum 0 05 mA Maximum 5 5 A Minimum C k Ratio must be 0 02 Document Number 13156 Revision 19 April 2011 18 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 7 ERROR DESCRIPTIONS 7 1 Wrong cos Current and voltage phase connection are not correct 7 2 Insufficient Compensation The output of the capacitor steps may have decreased during the time The fuses which are connected to the capacitors may have been blown The total output of the capacitor steps may be insufficient to improve the power factor of the system In this case the installed capacitor output must be increased 7 3 Overcompensation This occurs especially at weekends and nights due to capacitive instead of inductive loads And also by fixed capacitor steps or contactors with stuck contacts due to continuous overcurrent or manually switched in capacitor steps 7 4 Overvoltage The phase neutral voltage of L1 has exceeded the preset Overvoltage value 8 EASY INSTALLATION RECOMMENDATION IMPORTANT NOTICE When the load is unstable and varies very quickl
7. RONT PANEL SPECIFICATIONS 1 Say VISHAY 1 23 4 5 6 7 8 9 10 11 12 21 ooo0oo0oo0oo0oo0o00000 VISHAY ELECTRONIC GMBH Division ESTA D 84030 LANDSHUT German 2 3 4 20 5 ALARM 6 OVER VOLTAGE M 7 19 COMPENSATION se 8 INSUFFICIENT O 9 COMPENSATION 18 10 1 22 p 11 16 Automatic EN SET 15 vy pe 13 14 Blindleistungsregler ESTAmat MH12N Power Factor Controller On the front panel of the ESTAmat MH N there are warning lights the display and 3 buttons for settings 3 1 Buttons and Lights Pm ey eee 12 Shows the status of each capacitor step 2 SET menu Shows the menu options corresponding to the light 3 AUTO MAN Light As long as this light is continuously ON the ESTAmat MH N is in the automatic mode If it is blinking then the ESTAmat MH N is in the manual mode By pressing the SET button for 3 seconds the menu is entered to change the operating mode Refer to 5 1 4 coso Light By pressing the SET button for 3 seconds the cos adjustment can be made by selecting this light Refer to 5 3 In the automatic mode when the cosq light is selected by pressing the UP or DOWN button the system s cos and ind cap status will be displayed Refer to 5 10 5 TIME PF Light By pressing the SET button for 3 seconds the menu is entered and step time adjustment is made by selecting this light Refer to 5 4 In the automatic mode when this light is selected by pressing the UP or DOWN button th
8. Ti VISHAY Mounting Instructions Manual MV1171 POWER FACTOR Controller Vishay Electronic GmbH ESTA Capacitors Division Hofmark Aich Strasse 36 84030 Landshut Germany Phone 49 0 871 86 0 Fax 49 0 871 86 25 12 ESTAmat MH N Document Number 13156 Revision 19 April 2011 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 1 INTRODUCTION 1 1 About the User Manual 1 2 Precautions for Safe Use and Installation 2 GENERAL 3 FRONT PANEL SPECIFICATIONS 3 1 Buttons and Lights 4 CONNECTION DIAGRAM 5 CONTROLS AND MENU OPERATIONS 5 1 Selection of the Operating Mode Automatic Manual Mode 5 1 1 Switching of the Capacitor Steps Manually 5 2 Automatic C k Adjustment 5 3 Coso Adjustment 5 4 Step Time Adjustment 5 5 Step Number Selection 5 6 Switching Program Selection 5 7 Selection of C k Value by the User 5 8 Selection of Current Transformer Primary Value 5 9 Protection of Capacitor Steps Against Overvoltage 5 10 Display of the Coso Value 5 11 Display of the Power Factor PF Value 5 12 Displaying the Voltage and Current RMS Values 5 13 Display of the Active Power W Value 5 14 Display of the Reactive Power VAr Value 5 15 Display of the Apparent Power VA Value 6 DESCRIPTION 6 1 Errors and Warnings 6 1 1 Overvoltage 6 1 2 Insufficient Compensation 6 1 3 Overcompensation 6 2 Target coso 6 3 Adjustable Step Switching Time 6 4 Switching Program Selection 6 4 1 ESTAmat MH N Ca
9. e system s power factor is displayed Refer to 5 11 6 STEP V Light By pressing the SET button for 3 seconds the menu is entered and the step number adjustment is made by selecting this light Refer to 5 5 In the automatic mode when this light is selected by pressing the UP or DOWN button the phase voltage V is displayed Refer to 5 12 7 PROGRAM I Light By pressing the SET button for 3 seconds the menu is entered and the power sequence adjustment is made by selecting this light Refer to 5 6 In the automatic mode when this light is selected by pressing the UP or DOWN button the phase current I is displayed Refer to 5 12 8 C k W Light By pressing SET button for 3 seconds the menu is entered and the manuel C k adjustment is made by selecting this light Refer to 5 7 In the automatic mode when this light 1s selected by pressing the UP or DOWN button the system s active power W is displayed Refer to 5 13 9 CTR VAr Light By pressing the SET button for 3 seconds the menu is entered and the current transformer ratio adjustment 1s made by selecting this light Refer to 5 8 In the automatic mode when this light 1s selected by pressing the UP or DOWN button the system s reactive power VAr is displayed Refer to 5 14 Document Number 13156 Revision 19 April 2011 4 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 10 Over V VA Light By pressing the SET button for 3
10. m relay 1s activated 6 2 Target coso The target cos value can be adjusted in the range of 0 85 1 00 inductive The ESTAmat MH N will connect the capacitors in order to bring the system s power factor to the adjusted value which is defined as 1 25xQC1 A switching operation will happen within this range adjusted value Document Number 13156 Revision 19 April 2011 16 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 6 3 Adjustable Step Switching Time The step switching on off delay time can be adjusted between 2 sec 1800 sec Warning Shorter time than above range can lead to damage of capacitors and contactors If the capacitor bank is not discharged by reactors then the delay time must be selected to be at least 60 seconds The selected delay time cannot not be shorter than according to the instruction of the manufacturer of the capacitors 6 4 Switching Program Selection The ESTAmat MH N has 5 different program modes to determine the power ratio of the capacitor steps PS2 selection gt 1 2 2 2 PS3 selection gt 1 2 4 4 PS4 selection gt 1 2 4 8 8 PS5 selection gt can be one of the above switching ratios 1 4 and even in higher multiples but in a different switching mode 6 4 1 ESTAmat MH N Capacitor Sequence Examples The power ratio selection between the capacitor steps 1s very important When choosing the ratio beetween the outputs of the
11. mat MH N returns to normal operating mode VISHAY 2345 6 F amp 9 WH 1 1 000000000000 VISHAY ELECTRONIC GMBH OvdmESTA O610GD LANOGHUT Gemawy Blindleistungsregler ESTAmat MH12N Power Factor Controller Document Number 13156 Revision 19 April 2011 14 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 10 Display of the Coso Value When the ESTAmat MH N is in the manual operating mode the cos value and the inductive capacitive status is always displayed When the cos value is negative the system is capacitive And if the cos value is positive the system is inductive In the automatic operating mode the system s actual cos value and the ind cap status can be displayed by selecting the cos light by means of the UP or DOWN button 5 11 Display of the Power Factor PF Value When the ESTAmat MH N is in the automatic operating mode the AUTO MAN light is continuously ON the PF light can be selected by means of the UP or DOWN button and the sytem s power factor value is displayed This option is not available in the manual operating mode Important Definition The cos is defined as Power Factor related to the fundamental harmonic only The PF is defined as the total power factor and related to all harmonics including the fundamental harmonic In a system without harmonics the PF and cos will have the same value Attention A difference between the cos and PF values does not defini
12. oe sal Warnings a Connection of a circuit breaker is highly recommended between the network and the power supply input of the device b Circuit breaker must be close to the device c Circuit breaker must be marked as a disconnecting device for the equipment d All used fuses must be of FF type and the current values of the fuses must be 2A 3A and 6A Document Number 13156 Revision 19 April 2011 5 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 CONTROLS AND MENU OPERATIONS All settings are made by the menu The set values except of the operating mode are memorized even when the device is switched off When switched on the controller starts the compensation by the values as memorized for the automatic operating mode After entering the menu by pressing the SET button for 3 seconds and if no adjustments are done for 20 seconds then the ESTAmat MH N operates with the values memorized before To quit the menu without memorizing any changes press the UP or DOWN button 9 until the ESC symbol is displayed Then press the SET button The details on controls and adjustments are explained in the following sections Document Number 13156 Revision 19 April 2011 6 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 1 Selection of the Operating Mode Automatic Manual Mode Two operating modes are valid for switching on off of the capacitor steps 1 The automatic o
13. pacitor Sequence Examples 6 5 Step Number Selection 6 6 C k Setting 6 7 Determine the Energy Flow Direction 6 8 Current Transformer CT Selection 7 ERROR DESCRIPTIONS 7 1 Wrong cos 7 2 Insufficient Compensation 7 3 Overcompensation 7 4 Overvoltage 8 EASY INSTALLATION RECOMMENDATION IMPORTANT NOTICE 9 TECHNICAL SPECIFICATIONS 10 DIMENSIONS Document Number 13156 Revision 19 April 2011 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 1 INTRODUCTION 1 1 About the User Manual This user manual is intended for fast installation of the ESTAmat MH N Before installation and operation please read these chapters very carefully 1 2 Precautions for Safe Use and Installation 1 Maintenance installation and operation of the ESTAmat MH N only to be done by qualified persons 2 Disconnect power before working on the equipment 3 Do not operate the ESTAmat MH N at voltage too low undervoltage condition 4 Do not open the ESTAmat MH N s housing There are no user servicable parts inside it 5 The ESTAmat MH N is connected to the network by means of a current transformer Do not disconnect the terminals of the current transformer If required to disconnect then make sure to short circuit the secondary side of the current transformer or to connect to another parallel load having sufficiently low impedance In case of failure dangerous high voltage at the secondary side of the current t
14. perating mode Document Number 13156 Revision 19 April 2011 15 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 6 DESCRIPTION 6 1 Errors and Warnings The alarm relay is activated when the following errors occur 6 1 1 Overvoltage If the phase neutral voltage of the L1 phase is equal to or exceeds the preset overvoltage value between 240 275V then the ESTAmat MH N will wait for 3 seconds At the end of the 3 seconds if there is still overvoltage then the OVERVOLTAGE LED will turn on Depending on the selection of the overvoltage protection function refer to 5 9 the ESTAmat MH N switches off all the capacitor steps or continues to improve the power factor The overvoltage error disappears once the set overvoltage value will decrease by 4VAC In this case the OVERVOLTAGE LED turns off and the ESTAmat MH N continues to improve the power factor A VAC 7 777 B VAC H 4 gt AU Over Voltage 3 sec t sec A Selected Over Voltage B Selected Over Voltage 4 V AC 6 1 2 Insufficient Compensation If the target power factor is not reached although all the capacitor steps have already been connected the INSUFFICIENT COMPENSATION s light is ON and the alarm relay is activated 6 1 3 Overcompensation If the system is still capacitive although all the capacitor steps are already disconnected then the OVERCOMPENSATION light is ON and the alar
15. perating mode The capacitor steps are automatically controlled by the ESTAmat MH N 2 The manual operating mode the capacitor steps are manually switched on off The mode selection is done as followed By pressing the SET button for 3 seconds the SET menu is started Display The AUTO MAN light is selected by using the UP DOWN buttons The symbol is displayed The AUTO MAN setting is selected by pressing the SET button When the device is in the manuel mode 4 UF symbol is displayed When the device is in the automatic mode A Gn symbol is displayed The automatic mode 7 8 or the manual mode A OF is selected by using the UP or DOWN button Once the required operating mode is displayed it is selected by pressing the SET button When the manual mode is selected the AUTO MAN light starts and keeps on blinking during this mode When the automatic mode is selected the AUTO MAN light is continuously ON during this mode v VISHAY 23 45 6 7 8 9101112 OOQO000000000 VISHAY ELECTRONIC GMBH Division ESTA D 84030LANDSHUT Germany Blindleistungsregler ESTAmat MH12N Power Factor Controller Document Number 13156 Revision 19 April 2011 7 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 1 1 Switching of the Capacitor Steps Manually When the ESTAmat MH N is in the manual mode the capacitor steps are connected by pressing the UP button Each time the UP button is pressed the
16. r set by the factory which is the max available number as defined on the front panel 6 steps for ESTAmat MH6N and 12 steps for ESTAmat MH12N 6 6 C k Setting The C k value is a threshold value for the switching on off of the capacitor steps The C k is the value obtained by dividing the smallest capacitor step size C by the current transformer ratio k This value is either automatically measured and calculated by the ESTAmat MH N or can be entered manually After simultanously pressing the UP DOWN buttons the C k value is calculated and memorized within one step switching on off time interval The further compensation controls are based on this memorized value In case of permanent change of the system s load the measuring process will be restarted The ESTAmat MH N will stop the measuring after 10 trials Then the C k value cannot be measured due to the instability of the system s load In this case the compensation control will continue with the value memorized before Document Number 13156 Revision 19 April 2011 17 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N The formula to calculate the C k value is Q Power of the first step capacitor kVar Cik k Current Transformer Ratio CTR C k Q k Q Power of the first step capacitor kvar k Current Transformer Ratio CTR Based on the fixed network voltage of 400V Example The output C of the first step capacitor is 5 k
17. ransformer may cause an electric shock 6 Do not use this product for any other purpose than its original 7 Once the device is connected to the network do not remove the front panel 8 Do not clean the device with solvent or similar Clean only with a dry cloth 9 Verify correct terminal connections when wiring 10 Electrical equipment should be serviced only by your competent seller 11 Only for rack panel mounting 12 No responsibility is assured by the manufacturer or any of its subsidiaries for any consequences rising out of the use of this material 2 GENERAL Power factor controllers are used for measurement and control of power factor control units for central reactive power compensation The ESTAmat MH N compares the measured power factor with the set point value target value and in order to provide the required compensation the power factor controller will automatically switch capacitor steps ON or OFF The ESTAmat MH N is a microprocessor controlled relay designed for above application in 144x144 casing for flush mounting with rear plug in connectors In addition to displaying the system s cos in the automatic operating mode the ESTAmat MH N also displays the RMS value of voltage V current 1 active power W reactive power VAr and apparent power VA of the measuring phase Document Number 13156 Revision 19 April 2011 3 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 3 F
18. ril 2011 230V Ph N standard version 0 9 1 1 x Un 50 mA 5 5A 50 Hz 60 Hz 1 ldigit V I cos 2 ldigit W VAr VA Measuring Current circuit lt 2 VA Measuring Supply Voltage circuit 3 VA 10 VA 3 A 250 VAC NO Contact In case of power failure longer than 200 msec all capacitor steps are disconnected automatically Manual C k Setting 0 02 1 0 Cos Setting 0 85 ind 1 00 CT Ratio 5 10000 Between 2 sec 1800 sec 240 275 V Cosg 1 00 ind Step Time 60 sec Program PS5 C k 0 05 CT Ratio 5 ESTAmat MH12N max 12 MHO6N max 6 5 C 55 C 4 Digit Seven segment Display Double Insulation Class Il CAT III 2 5 mm cross section IP 00 IP 40 Multipoint connectors with screws for wire connection 139x139 mm 0 8 kg 20 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 10 DIMENSIONS 143 121 138 4 143 Document Number 13156 Revision 19 April 2011 18 T 34 5 21
19. seconds the menu is entered and the protection of the capacitor steps against overvoltage is made by selecting this light Refer to 5 9 In the automatic mode when this light 1s selected by pressing the UP or DOWN button the system s apparent power VA is displayed Refer to 5 15 11 UP Button To move up in the menu 12 SET Button Enter button for different settings 13 DOWN Button To move down in the menu 14 Automatic C k Setting automatical C k adjustment is started by pressing the UP DOWN buttons simultanously Refer to 5 2 15 C Light This light is ON when the ESTAmat MH N is switching capacitor steps on 16 NORMAL Light This light is ON when the target compensation is achieved 17 C Light This light is ON when the ESTAmat MH N is switching capacitor steps off 18 Insufficient Compensation Light This warning light is ON when compensation is insufficient Refer to 6 1 2 19 Overcompensation Light This warning light is ON when overcompensation occurs Refer to 6 1 3 20 Overvoltage light This warning light is ON when overvoltage occurs Refer to 6 1 1 21 K Kilo Light When this light is ON the displayed value must be multiplied by 1000 22 M Mega Light When this light is ON the displayed value must be multiplied by 106 4 CONNECTION DIAGRAM Phase Neutral Connection DEORE 22 2s 24 27 as rT Ty l2 K aK g m k l 2a Alam Relay F s e felele
20. tely indicate that harmonic voltages in the network being high enough to result in problems to the system 5 12 Displaying the Voltage and Current RMS Values When the ESTAmat MH N is in the automatic operating mode AUTO MAN light is ON and the V light is selected the RMS Voltage V value will be displayed When the I light is selected the RMS current I value will be displayed The displayed current and voltage values are of the phase where the CT is connected This option are not available in the manual operating mode 5 13 Display of the Active Power W Value When the ESTAmat MH N is in the automatic operating mode AUTO MAN light is continuously ON the W light can be selected by means of the UP or DOWN button and the system s active power value is displayed This option is not available in manual operating mode 5 14 Display of the Reactive Power VAr Value When the ESTAmat MH N is in the automatic operating mode AUTO MAN light is continuously ON the VAr light can be selected by means of the UP or DOWN button and the system s reactive power value will be displayed This option is not available in the manual operating mode 5 15 Display of the Apparent Power VA Value When the ESTAmat MH N is in the automatic operating mode AUTO MAN light is continuously ON the VA light can be selected by means of the UP or DOWN button and the system s apparent power value will be displayed This option is not available in manual o
21. var and the current transformer ratio k is 100 5 Then the C k value is C k 5 100 5 0 25 C k value for different C and k parameters based on 400V k 25 5 10 112 5 15 201 25 30 40 50 60 109 305 foas2ztoss J J J J J sos o25 oso 1o0 J mz See SV 1005 o13 o25 oso oss ozs 10 1 1 T 0 17 o 33 0 42 050 o7 o s3 100 2005 0 06 013 025 0o21 038 osoloes o7s 100 300 5_ 0 04 0 08 0 17 0 21 025 033 0 42 oso 067 083 1 00 400 5 0 03 0 06 0 13 016 019 025 951 038 oso oss o 75 500 5 0 05 0 10 0 13 0 15 020 o 25 030 0 40 050 0 60 1 00 soos 0 08 0 10 0 13 017 0 21 025 033 042 0 50 oss 800 5 0 06 oos 009 0 13 0 16 0 19 025 031 0 38 0 63 toons f 005 ooe ooe oso oa oss ozot 025 oso o 12505 0 08 oos 0 08 o10 0 12 0 16 020 0 24 0 40 sos oos 0o07 loos 010 013 017 0 20 029 z0 oso 008 010 018 015 zos oos oos o08 010 0121020 seoos Toos or 008 oro 017 I A Q 6 7 Determine the Energy Flow Direction The ESTAmat MH N provides four quadrant measuring and operation So it is also possible to determine the direction of the energy flow and to adjust the compensation also in case of energy supply to the grid 6 8 Current Transformer CT Selection There is always a need for a separate CT to be
22. y The C k light is selected by means of the UP DOWN buttons The i symbol is displayed The manual C k adjustment is selected by pressing the SET button The previous C k value either manually selected or automatically calculated is shown on the display A value between 0 02 1 is selected by using the UP or DOWN button Once the target value is displayed it is memorized by pressing the SET button and the ESTAmat MH N returns to its normal operating mode yy VISHAY 1 2 3 4 5 6 7 se 9 nonn oooo0oo0oo0o000000 VISHAY ELECTRONIC GMBH Osin ESTA D103 LANOSHUT Germany Blindlei ESTAmat MH12N bone eee at troller Document Number 13156 Revision 19 April 2011 12 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 5 8 Selection of Current Transformer Primary Value 9 AY By pressing the SET button for 3 seconds the SET menu is started gt Display The CTR light is selected by means of the UP DOWN buttons The CE symbol is displayed The current transformer s primary value is selected by pressing the SET button The previously selected CTR value is shown on the display A value between 5 10000 can be adjusted by using the UP or DOWN button Once the target value is displayed it is memorized by pressing the SET button and the ESTAmat MH N returns to its normal operating mode VISHAY 1 7345 6 7 amp WH 1 12 000000000000 VISHAY ELECTRONIC GMBH DvdmESTA
23. y the calculation on the C k value may take long time or in some cases it cannot be calculated or will be calculated incorrectly which will cause wrong compensation A practical way to prevent this situation 1s 1 Turn on the compensation board without connecting the load current Only the capacitors will be in operation in this situation You can do this by switching off the load current temporarily 2 Start the C k calculation process by pressing the UP and DOWN buttons simultanously Now depending on the power of the first step the C k value is calculated very accurately by the ESTAmat MH N The calculated C k value will automatically memorized Now the load can be switched on This C k value will be kept in the memory until it is recalculated or changed manually Document Number 13156 Revision 19 April 2011 19 Mounting Instructions Manual MV1171 Power Factor Controller ESTAmat MH N 9 TECHNICAL SPECIFICATIONS Rated Voltage Un Operating Voltage Range AU Operating Current Range AI Rated Frequency Measuring Class Power Consumption Output Contact No Volt Feature Setting Range Time Delay Overvoltage Factory Set Values Number of Steps Ambient Temperature Display Equipment Protection Class Appliance Classes Overvoltage Category Wire For Terminal Block Protection Class Terminals Protection Class Front Side Connections Switchboard cut out Weight Document Number 13156 Revision 19 Ap
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