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Horizontal centre break disconnector Type SDF, up to 550 kV
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Catalog excerpts

Horizontal centre break disconnector Type SDF, up to 550 kV - 1

HIGH VOLTAGE PRODUCTS Horizontal centre break disconnector Type SDF, up to 550 kV © • Minimized contact resistance • Easy and quick erection • Low friction design for smooth operation • Ice breaking capacity • Strong rotary pedestals • Minimal maintenance

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Horizontal centre break disconnector Type SDF, up to 550 kV - 2

— ABB offers a wide range of reliable and energy efficient disconnectors to meet the requirements of different sites and network conditions. The disconnectors range from 72.5 kV to 550 kV. ABB disconnectors are designed as per IEC 62271-102 and IEC 62271-1 standards.

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Horizontal centre break disconnector Type SDF, up to 550 kV - 3

Applications Regulations 05 Maximum reliability and minimal maintenance 06 Technical data Main dimensions (mm) Series installation Parallel installation

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Horizontal centre break disconnector Type SDF, up to 550 kV - 4

— Disconnectors from ABB ABB HV Disconnectors are in operation across the world in extreme and adverse conditions for decades, providing maintenance-free service with the highest benchmarks for operational reliability. — Electric sub-station — ABB is a leader in power and automation technologies that enables utility and industry customers to improve their performance while lowering environmental impact. The ABB Group of companies operates in approximately 100 countries and employs around 145,000 people. Applications A mechanical device for providing isolation of power equipment from the...

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Horizontal centre break disconnector Type SDF, up to 550 kV - 5

02 Tulip contacts for 2500 A current path terminal head 03 Fist side current path rated for 1600 A 04 Finger side path rated for 160 0 A with earthing fixed contact mounted. Minimized contact resistance (energy efficient solution) The current carrying aluminum conductors are welded to minimize joint resistance. No external springs in contact fingers for maximum reliability The contact fingers of the moving contacts of disconnector type SDF are designed from special conducting material and without external springs for increased reliability. Easy and quick erection The current carrying...

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Horizontal centre break disconnector Type SDF, up to 550 kV - 6

HORIZONTAL CENTRE BREAK DISCONNECTOR PRODUCT BROCHURE Technical data 03 72.5 kV SDF disconnector Voltage Type designation Rated voltage (Ur) Rated frequency (fr) Rated normal current (Ir) Rated short-time withstand current, kA, s rated duration of short circuit (Ik,tk) Rated peak withstand current (Ip) p Basic insulation level Power frequency withstand voltage for 1 minute To earth and between kV poles Across the isolating kV distance Lightning impulse withstand voltage To earth and between poles Across the isolating kVp distance Switching impulse withstand voltage To earth and between...

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Horizontal centre break disconnector Type SDF, up to 550 kV - 7

04 Linkages with spherical bearings 05 Bearing on frame assembly The disconnector and earthing switch are operated via independent operating mechanisms. The operating energy from the operating mechanism of the disconnectoris transmitted to one of the rotary pedestals of one phase. A diagonal rod connects both the rotary pedestals of each column ensuring simultaneous operation of both columns. The three phases of the disconnector are connected by gang operating linkages for three phase operation. During opening and closing operation both the current paths rotate through an angle of 900. The...

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Horizontal centre break disconnector Type SDF, up to 550 kV - 8

HORIZONTAL CENTRE BREAK DISCONNECTOR PRODUCT BROCHURE The disconnectors are delivered in following assemblies -lower part with rotary pedestals and operating rod, current path, support insulators and operating mechanism. As all mechanical adjustments are carried out in the factory, only mounting of the assemblies, installation of the coupling rods between the poles, connection of the high-tension leads and the electrical connection leading to the operating mechanisms is required at the site. Stud bolts are provided to compensate rapidly and exactly any inaccuracies in insulator position...

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Horizontal centre break disconnector Type SDF, up to 550 kV - 9

Installation (with or without earthing switch) In series Pmin(mm) — Series installation Pmin — Parallel installation

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Horizontal centre break disconnector Type SDF, up to 550 kV - 10

— ABB India Limited High Voltage products Maneja, Vadodara 390 013, India Phone: +91-265-2638930 Email: pt-exports.inabb@in.abb.com © Copyright 2019 ABB. All rights reserved. Specifications subject to change without notice. 1HDB050016-YN, Rev-F 02/2019 Two-Column Rotary Disconnector Type SDF

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