Merlin Gerin Varlogic NR12 Скачать руководство пользователя страница 1 | Manualshive

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Varlogic NR6, NR12

Power factor controller

User manual

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Содержание Varlogic NR12

Страница 1: ...Varlogic NR6 NR12 Power factor controller User manual...

Страница 2: ...issioning 13 5 5 Auto Setup of Parameters 14 5 6 Manual Setup of Parameters 15 5 7 Measurement Menu 17 5 8 Parameter Update 18 5 9 Alarms Menu 19 5 10 Maintenance Menu 20 6 Miscellaneous 23 6 1 Steppi...

Страница 3: ...ed on the rear side of the controller Do not open a live current circuit this may cause dangerous overvoltages Always short circuit the current transformer CT before replacing or removing the controll...

Страница 4: ...ons 4 USER S MANUAL G Step output connectors H Specification label I Mounting bracket for panel mounting installation J Fixing spring for DIN rail mounting K Current voltage connection inputs L Fan an...

Страница 5: ...panel by a side fitting spring There are two ways of connecting the controller to the network Voltage LN Line Neutral CT on the same line phase Voltage LL Line Line CT on the third phase Incorrect co...

Страница 6: ...ls 4 Start up Procedure Before connecting power check the wiring of all controller terminals Check carefully for correct operating voltage Selection of wrong voltage input can permanently damage the c...

Страница 7: ...Menu Operations 5 1 General Navigation between different menu levels As a precaution against accidental use the access of certain menus has been protected by a keylock which is a special sequence of k...

Страница 8: ...Figure 4 General way of entering the menu with a keylock Adjusting a value Figure 5 Adjusting a value Special case The wiring editor Figure 6 The wiring editor 8 USER S MANUAL...

Страница 9: ...all basic submenus required to set up and operate the controller Which menu to choose Figure 7 Required skills and menu selection If bank preconfiguration is properly done commissioning does not requi...

Страница 10: ...all the characteristics of the bank and bring it into service 5 Measurement The measurement menu contains the most common measurements taken from the network and provides some information about the ba...

Страница 11: ...d sequence meaning that all items must be accessed before the pre configuration takes place NOTE Do not use of the Bank Pre Configuration menu for HV network applications The sequence can be interrupt...

Страница 12: ...12 USER S MANUAL Figure 9 Bank pre configuration...

Страница 13: ...ion to check that the manually entered parameters agree with the network used See Glossary chapter 7 for parameter definitions NOTE Do not use of the Commissioning menu for HV network applications Wha...

Страница 14: ...they can commission the bank with minimal prior knowledge The user need only input three of the most common parameters and then launch an automatic search for the other parameters NOTE The use of Auto...

Страница 15: ...n be taken into service This sequence is completed by an automatic verification of the parameters entered earlier in this sequence This menu item is a forced sequence meaning that all items must be ac...

Страница 16: ...16 USER S MANUAL Figure 12 Manual setup of parameters...

Страница 17: ...17 USER S MANUAL 5 7 Measurement Menu The measurement menu contains the most common measurements taken from the network This is a read only menu sequence Figure 13 Measurement menu...

Страница 18: ...on and setup sequences presented earlier in this text this is a menu allowing a free and unrestricted entry into all of its items and should be used when occasional parameter access is needed See Glos...

Страница 19: ...o 10 voltage distortion with THD U limit setting An alarm can be reset by an extended pressure of key this clears all passive alarms If alarm condition is still active the alarm cannot be reset 19 USE...

Страница 20: ...nk capacitors and contactors Also some auxiliary settings have been provided CAUTION This menu access is dedicated to specialists CAUTION In case of installation in a HV bank with VT you must adjust t...

Страница 21: ...21 USER S MANUAL Figure 16 1 Maintenance menu...

Страница 22: ...22 USER S MANUAL Figure 16 2 Maintenance menu...

Страница 23: ...y See Fig 18 c Circular A program All capacitor steps are of equal size ex 1 1 1 1 The operation sequence obeys the first in first out FIFO principle The first step connected will be the first one to...

Страница 24: ...kvar or if the network suddenly becomes capacitive Comparison between normal and optimal program Normal program will reach the cos target value by successive connection disconnection of kvar correspon...

Страница 25: ...on 4 4 4 1 Steps on 4 1 Compensated reactive power Connection of steps Disconnection of steps 4 1 t Q Uncompensated reactive power Optimal Stepping Program Step sizes 1 2 4 4 4 4 Normal Stepping Prog...

Страница 26: ...e C K value can be taken from the table below valid for 400 V networks Table 1 C K values for 400 V network By successive connections or disconnections of steps we adjust the reactive power between tw...

Страница 27: ...ry side values of the VT To avoid potential misunderstandings set the CT ratio to percentage scale Safety or reconnection delay must be adapted to the value of the discharge resistors of the capacitor...

Страница 28: ...28 USER S MANUAL Figure 23 HV use of the controller...

Страница 29: ...Y Safety Delay or reconnection delay Response 10s 50s 600s delay is fixed 20 of reconnection delay The default value corresponds to capacitors with internal discharge resistors 50V 1 min ENGLISH Langu...

Страница 30: ...modification request are not then taken into account STEP TST Step Test each step can be manually connected and disconnected This facilitates testing of the operation of each capacitor step contactor...

Страница 31: ...0 cap Response limits C K 0 01 1 99 symmetrical Reconnection delay 10 600 s Response delay 20 of reconnection delay min 10 s Displayed measurements cos P Q S THD U temperature Installation method Pane...

Страница 32: ...Schneider Electric Industries SAS As characteristics and dimensions of our products are constantly changing please contact our offices for confirmation 10 2003 Rec NM39EN...

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