Catalog excerpts
g Live Tank Circuit Breakers 72.5-550kV — Reliability through Technical Excellence with Primary Pre-engineered solution set that digitizes XD|GE primary equipment and provides factory installed and configured protection, monitoring, diagnostics and communications.
Open the catalog to page 1Live Tank Circuit Breakers —— 72.5–550kV Live Tank Circuit Breakers 72.5–550kV 126kV Live Tank Circuit Breaker 72.5kV Live Tank Circuit Breaker Robust, High Quality and Reliable Breaker Technology For over a century, utilities around the world have relied on GE products and services to increase power system reliability and improve grid resiliency and responsiveness. As a global leader in grid infrastructure products and services, GE supports a broad set of utility applications ranging from transmission and substation automation to distribution networks and smart metering, enabling greater...
Open the catalog to page 2Live Tank Circuit Breakers — 72.5–550kV Live Tank Circuit Breakers — 72.5–550kV Key Features & Benefits Superior Interrupting Capability XD|GE live tank breaker interrupters are designed to handle demanding switching duties such as clearing short line faults and out-of-phase switching operations. In magnetizing current switching applications, no restrike or re-ignition occurs during the interruption of charging currents. Reliable Performance The characteristics of SF6 gas provide the live tank circuit breaker and associated components with a highly reliable insulating capability. The live...
Open the catalog to page 3Live Tank Circuit Breakers — 72.5–550kV Technology XD|GE 252kV and below SF6 high-voltage circuit breakers are designed with a single interrupter (per pole), without parallel or grading capacitors. 363-550kV circuit breakers are designed with two interrupters (per pole) and are equipped with coupling or grading capacitors and pre-insertion resistors as required. Pre-insertion resistors are used to reduce over voltages that occur during the closing operation. On opening, the contacts of the preinsertion resistor parts before the main contacts. 1. nterrupter I lnner Construction of...
Open the catalog to page 4Live Tank Circuit Breakers — 72.5–550kV 3. ydromechanical Operating Mechanism for H Circuit Breakers The hydromechanical mechanism has a modular design that allows for easy maintenance. Disc springs are used to store the energy for operating the breaker. The mechanism has two independent opening control valves for reliable operation. The direct connection to the interrupter provides a 1 to 1 travel distance between the interrupter and mechanism. Hydro-mechanical mechanism This mechanism can be operated either in single phase or in three phase Hydro-mechanical electrically, and can be...
Open the catalog to page 572.5Live TankDeadTank Circuit Breakers – 800kV Circuit Breakers — 72.5–550kV 72.5 – 800kV DeadTank Circuit Breakers Innovative Facilities and Rigorous Quality Processes XD|GE’s technology portfolio is built in state-of-the-art manufacturing and testing facilities with robust quality processes which provide customers with products that meet the critical and demanding reliability and environmental challenges of transmission applications. Manufacturing Excellence XD|GE designs a broad range of switchgear in five specialized production facilities including machining, surface treatment,...
Open the catalog to page 6Live Tank Circuit Breakers — 72.5–550kV Support and Service Global Project Engineering Services XD|GE is dedicated to helping its customers reach their system objectives and provides a suite of professional services to assist the successful deployment and maintainance of XD|GE products and solutions globally. From design to implementation to post-sales support, a team of technical and business experts are available to help customers effectively use the capabilities and product domain knowledge that are available from XD|GE. This support infrastructure covers the entire life cycle of the...
Open the catalog to page 7Live Tank Circuit Breakers — 72.5–550kV Primary Plus Pre-Engineering Secondary Equipment Primary Plus, XD|GE’s supplemental offering to its primary equipment, is a pre-engineered, factory installed solution set that allows utilities to reduce the time and labor associated with substation construction and commissioning. Primary Plus uses technologies and methodologies familiar to existing resources and skill sets. • Digitized primary equipment for replacing labor-intensive, individually terminated copper wires • Electrical protection solutions to monitor and react to fault conditions •...
Open the catalog to page 8Live Tank Circuit Breakers — 72.5–550kV Dimensions and Foundation 72.5kV SF6 Live Tank Circuit Breaker cement casting groove VIEW D Terminal Pad 1:6 1600 VIEW C Grounding block 1:3 135 connected with busbar clamp, need to drill 140 VIEW B Grounding block 1:3 4-M10×50 A-A Foundation anchor 1:15 design Ø80 Cable entrance hole
Open the catalog to page 9Live Tank Circuit Breakers — 72.5–550kV 126 to 145kV SF6 Live Tank Circuit Breaker
Open the catalog to page 10Live Tank Circuit Breakers — 72.5–550kV 170kV SF6 Live Tank Circuit Breaker Anchor Bolt and Installation Foundation of Type LW25-170/T Single-phase Operated Product (with Spring Operating mechanism)
Open the catalog to page 11Live Tank Circuit Breakers — 72.5–550kV 252kV SF6 Live Tank Circuit Breaker Control Cabinet Foundation Outline and Installation Foundation of Type LW25-252/T 50kA Product(with Spring Operating Mechanism LW25-252/T 50kA
Open the catalog to page 12Live Tank Circuit Breakers — 72.5–550kV 252kV SF6 Live Tank Circuit Breaker GEDigitalEnergy.com Outline and Installation Foundation of Type LW15C-252/Y5000 63KA Product (with Hydraulic Operating mechanism)
Open the catalog to page 13Live Tank Circuit Breakers — 72.5–550kV 363 to 420 kV SF6 Live Tank Circuit Breaker Cable entrance Underground plate Grounding Terminal Control Cabinet Foundation LW25-363 is available with closing resistors if required (increased height)
Open the catalog to page 14Live Tank Circuit Breakers — 72.5–550kV 363kV SF6 Live Tank Circuit Breaker Control Cabinet Foundation Control Cabinet Foundation LW25-363 is available with closing resistors if required (increased height) Outline and Installation Foundation of Type LW15A-363/Y Product (with Hydraulic Operating mechanism)
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