Toshiba HV6AS instruction manual Electrical Operation Flow Chart for MU and ML Type Breakers

Page 25

OPERATION

Page 21

Circuit Breaker Open

Control Power Applied

 

Motor Begins Operating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Closing Springs Begin Charging

 

 

 

 

 

- - - - Spring Status Indicator Changes to Yellow

 

 

 

 

 

 

 

 

 

Closing Springs Charged

 

 

 

- - - - Standby for Close Operation

 

 

 

 

 

 

 

 

 

Motor Stops

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Closing Signal Given

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Motor Begins Operating

 

 

 

 

 

 

Circuit Breaker Closes

-- - - Spring Status Indicator Changes to White and On-Off Status Changes to ON

Auxiliary Relay Closes

Anti-Pumping Circuit Completed

Opening Signal Given

Trip Coil Energized

-- - - Next Close Operation is Not Possible

Unless Close Signal is Canceled

Circuit Breaker Opens

- - - - On-Off Status Indicator Changes to OFF

Fig. 27 Electrical Operation Flow Chart for MU and ML Type Breakers

Image 25
Contents Installation Operation Maintenance Page For the Installation, Operation and Maintenance Page Read Safety Signs SafetyImportant Messages Qualified Operators only Safety CodesQualified person must Safety Table of Contents Inspection During Storage Introduction Components Legend General DescriptionGeneral Description Safety DevicesReceiving and Unpacking RECEIVING, Inspection and HandlingAcceptance Inspection Never lay the circuitHandling and Moving RECEIVING, Inspection and HandlingRating Verification InstallationMounting the Circuit Breaker to a Panel InstallationPanel Cutout Dimensions Mounting Breaker to Flat Plate or Angles Mounting Directly to a ShelfPass Cable Through Insulating Cylinder Main Circuit Cable ConnectionsProper grounding Ground ConnectionsControl Circuit Connections Additional Auxiliary Switch OptionalElectrical Checks GeneralManual Operation OperationOn red Electrical Operation Symbol DescriptionElectrical Operation Flow Chart for MU and ML Type Breakers 125 VDC Control Circuit Schematic for U Type Circuit Breaker PR3 REC LS2 LS1 Removing Plug From UV Trip Device Undervoltage TripMaintenance Program MaintenanceMaintenance Record Servicing EquipmentTightening Torques Recommended Inspection and Maintenance TypesCheck Points for Periodic Inspection Check Points for Inspection cont’d Test Equipment Vacuum CheckVoltage CriteriaDisposal DisposalStorage StorageInspection During Storage Specifications 34 Warranty and Limitation of Liability 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.