Live Tank Breakers
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HITACHIInspire the lSlext Pioneer and technology leader, driving Live Tank Breakers

More than a century in circuit breaker technology Hitachi Energy is a pioneering technology leader that works closely with utility, industry and infrastructure customers to improve their performances while lowering environmental impact. Hitachi Energy operates in more than 90 countries. Hitachi Energy covers the entire portfolio of Air-Insulated Switcgear (AIS) and Gas-Insulated Switchgears (GIS). AIS primary equipment includes Live Tank Breaker (LTB), Dead Tank Breakers (DTB) as well as instrument transformers, disconnectors and surge arresters. Hitachi Energy focuses on the continuous...

Global manufacturing network Our global network of state-of-the-art manufacturing facilities is located close to our customers. 10 th of Ramadan City, Egypt Tangerang, Indonesia Guarulhos, Brazil Manufacturing facilities Local service centers Product service centers 550 kV without grading capacitors Vadodara, India First eco-efficient breaker pilot project based on CO2 technology Today more than 200,000 LTB bays installed worldwide

For all types of applications Live Tank Breakers are widely used globally in different type of applications from traditional use to more specific such as high altitude, very low temperature and for high seismic requirements.

• Transmission lines, transformers, capacitor, reactors and harmonic filters switching • Advanced and proven technology with low energy requirements • Renewable power to grid offshore and onshore wind power connections • Low environmental impact and life-cycle costs • Onshore wind power connections • High altitudes • Seismic applications – robust support structures and dampers that stand the test of earthquakes • Low temperature applications • DC applications • High current switching capability • Compact design and easy installation • High quality standards and safety • Global footprint

6 | LIVE TANK BREAKERS PIONEER AND TECHNOLOGY LEADER LTB SF6 Portfolio 6 Hitachi Energy offers a complete portfolio of SF6 insulated Live Tank Breakers to meet the most stringent requirements in terms of reliability and availability. Well proven circuit breaker based on Auto-puffer™ technology rated up to 31.5 kA of breaking current, design for rapid installation and commissioning Rated voltage Rated continuous current Rated short-time withstand current High performance circuit breaker protecting more networks than any other high-voltage breaker. Rated voltage Rated continuous current Rated...

LIVE TANK BREAKERS PIONEER AND TECHNOLOGY LEADER | 7 Breakers and solutions for special applications By-pass switch, high speed, neutral switches and other customized products for High Voltage Direct Current (HVDC) applications. All switches are based on the well proven LTB and HPL technology platform. Rated short-time withstand current kA 80 Series capacitors by-pass switch Used to protect the capacitor bank against overvoltages in a series compensation solution, the by-pass switch will by-pass and insert the series capacitor. A fast acting by-pass switch allows to reduce the dimensions of...

8 | LIVE TANK BREAKERS PIONEER AND TECHNOLOGY LEADER EconiQ LTA circuit breaker up to 145 kV Scalable eco-efficient Live Tank Breaker, combing the reliability and experience from gas-type circuit breakers with the use of carbon dioxide ( CO2) and oxygen ( O2) as an eco-efficient insulation gas mixture. Rated voltage Rated continuous current Rated short-time withstand current EconiQ DCB LTA circuit breaker up to 72.5 kV Scalable eco-efficient Live Tank Breaker, providing both switching and isolation functionality in one compact device. Rated continuous current A Rated short-time withstand...

LIVE TANK BREAKERS PIONEER AND TECHNOLOGY LEADER | 9 Switchsync® PWC600 is Hitachi Energy’s newest generation of point-on-wave controllers, based on the successful Relion® platform of protection and control products. Switchsync® PWC600 is designed for single-pole operated circuit breakers, controlling each pole to close and/or open at the point on wave that is optimal for the switching load, the circuit breaker, and power quality. In combination with a suitable Hitachi Energy circuit breaker, it effectively mitigates switching transients to optimize power quality and maximize equipment...

Commitment We are advancing the world’s energy system to be more sustainable, flexible and secure. As the pioneering technology leader, we collaborate with customers and partners to enable sustainable energy future. Quality assurance Hitachi Energy is committed to providing the best products and services. Our products comply with or exceed the latest international standards. In addition to type tests in independent laboratories, our certified design and manufacturing quality assurance process guarantee the highest quality. Sustainability We are advancing the world’s energy system to be more...

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