Related Manuals for ABB OWIII
Summary of Contents for ABB OWIII
- Page 1 — M E D I U M VO LTAG E P R O D U C T S OWIII – Indoor disconnector Installation and operation manual...
- Page 2 O W I I I – I N D O O R D I S C O N N E C TO R...
-
Page 3: Table Of Contents
I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L — Contents 1 Safety 2 Introduction 3 Technical description of OWIII (OWI) disconnectors 3.1 Functions 3.2 Construction and principle of operation 3.3 Designation of switch 3.4 Technical data 3.5 Mounting dimensions of OWIII disconnector... -
Page 4: Safety
Always follow the instructions given in the manual Anyone using service procedures or tools, whether and good engineering practice Dangerous voltage or not recommended by ABB, must satisfy himself can cause electric shock and burns. thoroughly that neither personal safety nor equip- ment safety will be jeopardized by the service –... -
Page 5: Introduction
Earthing switch is used for short-circuiting and and operation of three-pole indoor disconnectors earthing parts of a circuit previously disconnected type OWIII (and one pole OWI). It contains informa- from the power supply. Each disconnector OWIII can be equipped with earthing switch with inter-... - Page 6 O W I I I – I N D O O R D I S C O N N E C TO R Disconnectors can be opened and closed by man- ual drives type NRWO4/...- 3, HE, insulating stick or electric drive type UEMC 41. Disconnectors equipped with manual and electric drive can work in vertical or horizontal positions.
- Page 7 I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L — Fig. 1. Construction of disconnector OWIII 1) Frame 2) Drive shaft 3) Limiters...
-
Page 8: Designation Of Switch
O W I I I – I N D O O R D I S C O N N E C TO R Designation of switch Example: OWIII 20/6UD-1 – three pole disconnector OWIII, rated voltage 24 kV, rated current 630 A, with lower earthing switch, with ceramic insulators... - Page 9 I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L Disconnectors for voltage 17,5 and 24 kV Parameters / Type Rated voltage [kV] 17,5 Frequency [Hz] to earth and...
-
Page 10: Mounting Dimensions Of Owiii Disconnector
1250, 1600 A Installing 4.3 Installation of insulating barrier Inspection before installing Disconnectors type OWIII 10/6-2/125 and OWIII Before installing the disconnector in switchgear 20/6-2/160 are equipped with insulating barriers below points should be checked: that must be mounted to the base of disconnector a) rating plate content and its correspondence before mounting the device on support structure. -
Page 11: Adjusting The Mechanical Interlock Between Disconnector
I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L 4.4 Adjusting the mechanical interlock between a) excessive torque increase on the disconnect disconnector and earthing shaft required for switching For transportation disconnectors equipped with... -
Page 12: Coupling With He Manual Drive
O W I I I – I N D O O R D I S C O N N E C TO R Coupling the drive with disconnector Coupling with HE manual drive NRWO4-3 manual drive coupling is done with rod The complete manual drive HE consists of a front [pos. -
Page 13: Coupling With Motor Drive Uemc
I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L — 4.8 Coupling with motor drive UEMC 41 Fig. 7. Description of drive, coupling and adjustment can be found in a separate manual enclosed to the UEMC 41 drive. -
Page 14: Mounting And Regulation Of Auxiliary Switch
O W I I I – I N D O O R D I S C O N N E C TO R — stresses in the disconnector structure, causing Fig. 9. twisting of the contacts. The apparatus and drive frames should be earthed. Before connecting the protective earthing connec- tion to the earthing terminal, the earthing termi- nal should be cleaned and greased with acid-free... -
Page 15: Commissioning Of Disconnector
I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L — Fig. 10. Commissioning of disconnector Disconnector equipped with NRWO4-3 After completing all assembly operations related manual drive to the installation of the disconnector in the In close state of disconnector the drive le-... -
Page 16: Disconnector Equipped With Motor Drive Uemc
Repairs lating barriers (if assembled) Repair of disconnectors can be done by ABB ser- b) condition of the current leading parts, vice or by technicians trained by the manufacturer. c) correct contact in closed position of the discon-... -
Page 17: Withdraw From Use
Spare parts Disconnector, for its lifetime 1000 switching operation do not require spare parts. On request spare parts can be delivered to the customer. Or- dered parts can be mounted only with knowledge and acceptance of ABB. - Page 18 O W I I I – I N D O O R D I S C O N N E C TO R — Notes...
- Page 19 I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L...
- Page 20 +48 22 22 38 900 fax: +48 22 22 38 953 www.abb.pl ABB reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB AG does not...