IEEE PC37.017/D4, Feb 2010 is a draft standard focused on bushings for high voltage circuit breakers and gas insulated switchgear, covering equipment used above 1000 volts ac. It is relevant to power, energy, and industry applications where insulation interfaces and electrical reliability are critical. This technical document helps define expected requirements for design, testing, and performance, supporting safer and more consistent high-voltage equipment specification and review.

About IEEE PC37.017/D4, Feb 2010

IEEE PC37.017/D4, Feb 2010 addresses bushings as integral components in high-voltage apparatus, especially circuit breakers and gas insulated switchgear. Its draft status indicates a work-in-progress technical specification intended to guide engineering expectations for insulation coordination, dielectric performance, and application suitability. For manufacturers, utilities, and specifiers, the standard provides a structured reference for aligning component design and evaluation with the demanding conditions found in high-voltage ac systems.

Where is IEEE PC37.017/D4, Feb 2010 used?

This standard is typically used in the specification and assessment of bushings installed on high-voltage circuit breakers and gas insulated switchgear. It is most relevant in substations, transmission equipment, and other power-system installations where compact, insulated switching hardware must operate reliably above 1000 volts ac. IEEE PC37.017/D4, Feb 2010 may also support procurement and engineering review when selecting components for controlled electrical environments and demanding service conditions.

Importance in practice

In practice, the standard helps reduce ambiguity when evaluating bushing design and expected performance for high-voltage equipment. IEEE PC37.017/D4, Feb 2010 can support consistent compliance discussions, improve specification quality, and lower the risk of mismatched components in breaker or switchgear assemblies. It is especially useful where insulation integrity, safety margins, and reliable operation are important, since small deviations in bushing requirements can affect testing outcomes and long-term equipment performance.

• High-voltage bushing requirements
• Circuit breaker application context
• Gas insulated switchgear interface
• Insulation and dielectric considerations
• Draft technical reference for engineering review