Check Points for Periodic Inspection | Toshiba HV6AS instruction

MAINTENANCE				Page 27
Table 2 Check Points for Periodic Inspection

Check Point	Check Item	Check Method	Criteria	Disposition

Operating	Loose bolts,	Tighten using	Make sure all bolts, nuts	Tighten if loose.
Mechanism	nuts or screws	screwdriver or	and screws are tight.	See Table 1 for
		wrench.		tightening torques.

	Dust or foreign	Visual	The circuit breaker	Wipe with a clean
	matter inside	inspection.	should be clean and	dry cloth.
			contain no foreign matter.

	Indicator	Visual	Make sure the number of	Check the cause
	operation	inspection.	operations is correctly	and repair.
			displayed.

	Warpage	Visual	There should be no	Check the cause
		inspection.	warpage or missing	and repair.
			parts.

	Smooth	Manual	Make sure moving parts	Apply a small
	operation	operation.	operate smoothly.	amount of
		Visual		lubrication.
		inspection or
		touch. Check
		lubrication.

Main Circuit	Discoloration	Visual	Make sure there is no	Check the cause
	due to heat	inspection.	discoloration.	and repair. Tighten
	from conducting			connections to circuit
	parts			breaker. See Table
				1 for tightening
				torques.

	Loose bolts,	Tighten using a	Make sure all bolts, nuts	See Table 1 for
	nuts or screws	wrench.	and screws are tight.	tightening torques.

	Dust on surface	Visual	Make sure there is no	Wipe with a clean,
	of vacuum	inspection.	dust on the surface.	dry cloth.
	interrupter

Insulator	Dust, foreign	Visual	Make sure there is no	Wipe with a clean,
	matter or	inspection.	dust, foreign matter or	dry cloth. If
	damage		breakage.	damaged, contact
				Toshiba.

HV6AS specifications

The Toshiba HV6AS is a sophisticated high-voltage IGBT (Insulated Gate Bipolar Transistor) module, primarily designed for demanding applications in industrial and energy sectors. This module stands out due to its superior performance characteristics, which allow it to handle high voltages while delivering optimal efficiency and reliability.

One of the key features of the HV6AS is its high voltage rating, typically around 650V, making it suitable for various applications including motor drives, renewable energy systems, and UPS (Uninterruptible Power Supply) systems. This voltage capacity enables the module to effectively control large power loads, ensuring excellent performance in high-demand environments.

The HV6AS adopts cutting-edge technologies that improve its operational efficiency. The design incorporates advanced thermal management features, which help in enhancing its reliability and lifespan. Integrated with a robust heat sink, the module efficiently dissipates heat generated during operation. This is crucial as increased temperatures can lead to reduced performance and potential failure.

Additionally, the HV6AS utilizes a double-sided cooling structure, which allows for superior thermal conductivity and enables the module to perform optimally in high-temperature conditions. This aspect is particularly important for applications in renewable energy, such as solar inverters, where efficiency and durability are key.

Another notable characteristic of the HV6AS is its fast switching capability. The IGBT technology allows for rapid switching between on/off states. This feature is essential in applications such as pulse-width modulation (PWM), contributing to improved power conversion efficiency. The high switching frequency capability means that systems can operate more efficiently, resulting in lower energy losses.

Toshiba’s HV6AS also focuses on enhancing productivity through simplified circuit design. Its compact form factor means that it can be easily integrated into existing systems, saving space and simplifying installation processes. The module’s compatibility with existing drive technologies allows for seamless upgrades to newer systems without significant changes to the overall architecture.

In summary, the Toshiba HV6AS is a highly versatile IGBT module characterized by its high voltage capability, advanced thermal management, fast switching speed, and compact design. These factors make it an excellent choice for a wide array of high-performance applications in various industries, driving innovation towards more efficient and sustainable power solutions. Whether in industrial automation or renewable energy, the HV6AS sets a benchmark for reliability and effectiveness in power electronics.

MAINTENANCE

Table 2 Check Points for Periodic Inspection

HV6AS specifications