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TECHNICAL REQUEST FORM
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FII-HI TAP CHANGER
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This form is intended for entering the specifications of FII-HI tap changers with 1 or more identical stages, operated by 1 control device.
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If you require a special FII-HI tap changer, for example with 2 or more different stages, operated by 1 or 2 control devices (examples below), send us your specifications.
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Example :
1 stage Common output per phase – 3 positions
1 stage Bridge – 3 positions
Both operated by 1 single control device
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CUSTOMER'S NAME
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COUNTRY
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Question1Select the required Max Voltage Um (kV) - test voltages36 kV. 70 KV / 200 kV
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"Max Voltage Um (kV). Applied voltage 50Hz/1 min (kV) / Full wave lightning impulse BIL 1.2/50µs (kV)"
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Question 2Electric circuit diagramSeries_Parallel__on_2_windings
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Question 3What is the number of positions?
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(for the diagrams series-parallel and star-delta, the number of positions is implicitly 2)
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Question 4GROUP OF CONTACTS configuration
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Question 4.1Group of contacts COUNT per Stage ?.
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Question 4.2Stage (Deck) COUNT ?.
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Question 5RATED CURRENT per Fixed Contact
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Select the fixed contact reference needed from the drop down list taking into account the following conbinations of characteristics
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Question 6LOCATION OF THE CONTROL DEVICE.
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The control device can be located on the right or on the left of the tap changer, when switching unit in horizontal position, facing fixed contacts connections
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Question 7PRESENCE OF A BEVEL GEAR / DIRECTION OF THE MOVING BAR
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By default, the shaft of the control device is perpendicular to the bars and the fixed contacts.
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On request, a bevel gear can be added on the main bracket ; 6 configurations are available according to the location of the contol device
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Does optional bevel gear have to be added on the main bracket ?
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Question 8Type of control device ? .
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Question 9NUMBERING OF THE KNOBBa
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OPTIONAL FEATURES - the following questions are about optional features, by default the answer to these questions is NO if you need one of these characteristics choose from the drop-down list
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Question 10OPTIONAL ANODIC OXIDATION AND PRIMER PAINTING ON OUTSIDE ALUMINIUM PARTS
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Are anodic oxidation and primer painting required for the outside aluminum parts?NO (by default)
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The previously selected control device.
In yellow the areas that would be covered
by the anodic oxidation and primer painting:
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Question 11OPTIONAL MECHANICAL LOCK WITH MICRO-SWITCHNO (by default)
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