Why controlled switching
Controlled switching is an advanced technique that ensures circuit breaker operations are executed at precise moments, thereby minimizing unnecessary electrical stress and extending the operational life of high-voltage equipment.
Switchsync® PWC600 is specifically designed to fulfil this purpose by delivering exceptional timing accuracy and operational reliability. By integrating this smart point-on wave controller into your network, you can enhance system stability, protect equipment lifespan, and enable intelligent, data-driven management of your power infrastructure.
Choosing Switchsync PWC600 means choosing proven technology for optimal equipment performance and a resilient electrical grid.
Discover the real potential of controlled switching for your grid operations.
How Switchsync® PWC600 works
Get a clear, practical overview of how point‑on‑wave
controlled switching reduces switching transients, limits
mechanical and dielectric stress, and helps maintain
consistent performance of high‑voltage assets.
What this video covers
This introductory video explains where controlled switching
delivers the most value and outlines key considerations when
applying Switchsync PWC600 in the field, including:
- The role of controlled switching in supporting reliable
equipment operation - How Switchsync PWC600 applies precise timing control
- Typical applications within high‑voltage networks
Why Hitachi Energy
Hitachi Energy brings long-standing expertise in electrification and power grid technologies, shaped by decades of supporting utilities and industries around the world.
Our global footprint and deep domain knowledge help customers strengthen the flexibility, security, and resilience of their energy systems.
By combining trusted engineering with advanced digital capabilities, we work alongside partners to modernize infrastructure and enable reliable grid performance.
This proven foundation also supports the development of Switchsync PWC600, which applies our experience in high‑voltage networks to deliver precise, consistent point‑on‑wave switching.
Knowledge Hub
Contact us
Explore how controlled switching can support your grid operations.
With consistent, well‑timed switching, your high‑voltage network operations can become more stable and efficient, helping to extend equipment life.
Our experts can help you understand how controlled switching fits into your network operations and how it can support long‑term system performance.
Get in touch with the experts
FAQs
The device measures voltage and current waveforms in real time and identifies the appropriate moment to operate the circuit breaker. By synchronizing the CB operation to the voltage waveform, it helps reduce transients and electrical wear.
Yes. Switchsync PWC600 is compatible with Hitachi Energy circuit breakers. Its flexible architecture allows seamless integration in various high-voltage network configurations.
Controlled switching targets are generally defined based on the type and configuration of the switched load, CB characteristics, and system conditions. A wizard-style tool guides the user through entering the relevant settings to arrive at the ideal targets for the specific application.
Switchsync PWC600 version 3.0 is the latest version.
The latest Switchsync PWC600 version 3.0 offers numerous improvements over version 1.2, including optimal fast reclosing on transmission line, improved hardware design, enhanced user interfaces, and support of state-of-the-art communication protocols and cyber security.