ABB UC User Manual Download | Manualshive

Page: 1 / 12

background image

On-load tap-changers, type UC

User’s manual

1ZSE 5492-155 en, Rev. 1, 2000-01-15

1
2
3
...
»

Summary of Contents for UC

Page 1: ...On load tap changers type UC User s manual 1ZSE 5492 155 en Rev 1 2000 01 15 ...

Page 2: ...This document must not be copied without our written permission and the contents thereof must not be imparted to a third party nor be used for any unauthorized purpose Contravention will be prosecuted ...

Page 3: ... the installation and the electrical connection be correctly realized by the manufacturer of the transformer e g in compliance with our Installation Instructions and EMC Directive 89 336 EEC regarding the intrinsic characteristics to emission and immunity levels and Low Voltage Directive 73 23 EEC modified by Directive 93 68 EEC concerning the built in motor and apparatus in the control circuits C...

Page 4: ... same motor drive can operate one two or three units on the same transformer Those units are then considered as one on load tap changer WARNING and CAUTION WARNING AWARNINGprovidesinformationwhich ifdisregarded couldcauseinjuryordeath CAUTION A CAUTION provides information which if disregarded could cause damage to the equipment Safety precautions WARNING Personneloperatingandinspectingtheon loadt...

Page 5: ...ly for the motor drive mechanism it is possible to handcrank the on load tap changer Put the handcrank on the shaft Make sure it has entered the slot in the shaft Crank in the desired direction as per the information plate above the shaft The number of turns for one step is also shown on the plate When the handcrank is inserted all electrical operations are rendered impossible Continue cranking un...

Page 6: ...ear is recommended This principally concerns the motor drive mechanism and refers to a visual inspection inside the BUE BUL cabinet to check that nothing is loose and that the heater is functioning In the motor drive mechanism a counter registers every tap change operation During inspection the counter is read If possible motor and counter are to be tested by operating one step and then back If th...

Page 7: ...former is necessary CAUTION To operate the on load tap changer with a too small or no gas cushion means a risk for a trip of the pressure relay 3 Checking of the motor and the counter Open the motor drive cabinet door and turn the selector switch to the LOCAL position Then turn the control switch to the RAISE LOWER position Check that the motor works properly the position indicator increases decre...

Page 8: ...ection by turning the selector switch to the REMOTE position and closing the cabinet door 7 Checking of the oil filter unit option If the on load tap changer is equipped with an oil filter unit from ABB Read the pressure gauge Note the reading so the change from year to year can be seen If the pressure is 2 0 bar or more or close to 2 0 bar the filter insert should be replaced If moisture is suspe...

Page 9: ...ge in progress indicator 12 Position indicator with draghands for max and min position 13 Shaft for handcrank 14 Heater 50 W optional 100 W behind the panel 15 Option Outlet with earth fault protector 16 Terminal blocks behind the panel 17 Protective motor switch 18 Option Thermostat or hygrostat for extra heater 100 W 19 Door operated switch for lamp 20 Handcrank 21 Descriptions and circuit diagr...

Page 10: ...i position switches 9 Option Measuringamplifier 10 Option Switch for extra heater 11 Option Outlet 12 Option Earth fault protector when outlet is installed 13 Emergency stop 14 RAISE LOWERswitch 15 LOCAL REMOTEswitch 16 Protective motor switch 17 Air vent 18 Door operated switch for lamp 19 Terminalblocks 20 Handlamp 21 Heater 50 W optional 100 W 22 Option Thermostat or hygrostat for extra heater ...

Page 11: ...11 ...

Page 12: ...ev 1 2000 01 15 ABB Power Technologies AB Components Visiting address Lyviksvägen 10 Postal address SE 771 80 Ludvika SWEDEN Tel 46 240 78 20 00 Fax 46 240 121 57 E mail sales se abb com www abb com electricalcomponents ...

Reviews:

No comments

Related manuals for UC

Brand: Ecco Pages: 9

Brand: Talet Equipment Pages: 17

Brand: Makita Pages: 8

Brand: VECTECH Pages: 5

WJHD309A - DIGITAL DISK RECORDER

Brand: Panasonic Pages: 79

Brand: Ecler Pages: 108

Brand: R&S Pages: 121

Brand: NANLUX Pages: 39

Brand: Haag-Streit Pages: 18

Brand: Haag-Streit Pages: 20

Brand: V-TEK Pages: 2

Brand: V-TEK Pages: 112

Brand: IDEAL Networks Pages: 60

Brand: IceCure Pages: 104

Brand: Valmar Pages: 78

Brand: Valhalla Scientific Pages: 64

Brand: Yamaha Pages: 139

Brand: Yamaha Pages: 19

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands