Iskra PFC max 12 Скачать руководство пользователя

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Printed in Slovenia • Subjects to change without notice • Preliminary version 01 / Feb. 2010

Iskra MIS, d. d.

Ljubljanska cesta 24a

4000 Kranj,Slovenia

Phone.: +386 4 237 21 12

Fax: + 386 4 237 21 29

www.iskra-mis.si

Содержание PFC max 12

Страница 1: ...User s manual POWER FACTOR REGULATORS PFC max 6 PFC max 12...

Страница 2: ...TICS 7 3 FRONT PANEL SCREEN and KEYBOARD 8 3 1 Display screen 9 3 2 Measured parameters 9 3 3 Errors and ERROR messages 9 3 4 Alarm relay 10 3 5 Regulator status and key functions 10 PFC max regulator...

Страница 3: ...equipment Configuration program 17 5 5 Connection and re connection time settings 18 5 6 Selection of the number of stages 18 5 7 V I phase angle setting 18 5 8 Programming the CT rated current prima...

Страница 4: ...d PF compensation equipment be sure to disconnect the main switch After disconnecting the switch wait at least 5 minutes to ensure that the capacitors are totally discharged During the installation ma...

Страница 5: ...d frequency measuring range etc Follow the instructions in section 3 for installation and set up If you may observe any anomaly during the installation or set up contact with Iskra technical service F...

Страница 6: ...ent generally follow certain patterns called stages ratio program or simply Program The stages program indicates the relationship between the different capacitor stage powers Most common stages ratio...

Страница 7: ...to 79 steps in max 12 Four quadrants control see fig 2 1 display of the connected stages of cos and active and reactive power signs inductive or capacitive LCD display screen with three seven segments...

Страница 8: ...front panel shows the following items Fig 3 1 Front cover and screen NOTE The set up procedure the description of different parameters and the different control modes are described in detail in the SE...

Страница 9: ...d pointing to the parameter being configured Right column list Symbols indicating the stages which are connected only in RUN mode 3 2 Measured parameters When the instrument is in normal RUN mode the...

Страница 10: ...elay has a delay of 10s in case of Over compensation and Under compensation but the operation is instantaneous delay 1s in case of Over voltage and Over current 3 5 Regulator status and key functions...

Страница 11: ...Key functions in SET UP status Long Push 1s This is to initiate or exit the set up mode Exiting the set up mode with a long push 1s will automatically save the changed parameters Exiting with a short...

Страница 12: ...g circuit voltage Terminals C D 480 400 230 o 110 VCA 15 10 45 65 Hz see label Connect preferably to phases L2 L3 Supply Cables Cross Section 1 5mm2 Supply circuit protection By means of a 0 5 to 2 A...

Страница 13: ...lectrical cabinet or removing certain covers can compromise the user safety and should only be done by qualified and authorized staff The PFC max devices are used together with capacitor banks which c...

Страница 14: ...protections The supply circuit must be protected by means of fuses or a circuit breaker sized between 0 5 and 2A Recommended fuses are gl type IEC 269 or M type IEC 127 A main circuit breaker must be...

Страница 15: ...B Current input S2 COM Relays common 1 Relay Output 1 2 Relay Output 2 3 Relay Output 3 4 Relay Output 4 5 Relay Output 5 6 Relay Output 6 7 Relay Output 7 8 Relay Output 8 9 Relay Output 9 10 Relay O...

Страница 16: ...on the power of the smaller capacitor step on the CT ratio and on the supply voltage Table 5 1 gives the setting values of C K for a 400 V phase to phase supply for different CT ratios and different v...

Страница 17: ...reactive current IC can be calculated as V Q C I 3 and the C K parameter would be V K Q K I K C C 3 Example Assume a PF equipment at 500V where the smaller capacitor is rated to 60kvar and the CT has...

Страница 18: ...on equipment Depending on the device type PFC max 6 max 12 we can select up to 6 or 12 stages If the number of stages is less than 6 or 12 respectively in PFC max6 or max12 the relay number 6 or 12 is...

Страница 19: ...f CT is assumed to be 5 A 6 SET UP MENU AND PROCEDURE 6 1 How to access the set up menu To access the set up menu press the key for more than 1s This is designated as long push in table 6 1 which give...

Страница 20: ...e device is in set up mode if there isn t any key pushing for more than 3 minutes the device returns automatically to normal RUN mode and none of the previously edited parameters are changed nor saved...

Страница 21: ...ill sequentially connect the different steps following the normal program and respecting the delay time ton set in the set up procedure long Manual disconnection of capacitor stages Keep the key pushe...

Страница 22: ...asured current is 20 above the rated current primary of CT Possible causes C K not properly adjusted Alarm relay if exists disconnects see paragraph 3 3 Although the regulation may be wrong the device...

Страница 23: ...ovenia Subjects to change without notice Preliminary version 01 Feb 2010 Iskra MIS d d Ljubljanska cesta 24a 4000 Kranj Slovenia Phone 386 4 237 21 12 Fax 386 4 237 21 29 E mail info iskra mis si www...