#B60L50/13

Drive System for Dump Truck

An object of the present invention is to provide a drive system for a dump truck capable of suppressing increase in size of a converter that controls a two-winding induction generator. To this end, th…

DRIVE·Nov 23·1 min read

B60L50/13 Hitachi Construction Machinery Co., Ltd.

DRIVE CONTROL DEVICE AND DRIVE DEVICE FOR RAILROAD CARS

A main converter (i) converts AC power from a generator at a primary terminal into DC power at a secondary terminal, an internal combustion engine driving the generator to generate the AC power, or (i…

DRIVE·Jun 24·2 min read

B60L50/13 Mitsubishi Electric Corporation

WORKING MACHINE

A work machine prevents a fault in a swing electric motor if an uneven coil temperature increase occurs in the swing electric motor during swing press operation and related operations. The work machin…

DRIVE·Jul 6·2 min read

B60L50/13 HITACHI CONSTRUCTION MACHINERY [JP]

POWER CONVERTERS

A power converter (100) includes a first set (102) of transistors electrically connected in series, a second set (104) of transistors electrically connected in series, and an AC link (108). The second…

DRIVE·Dec 9·1 min read

B60L50/13 HAMILTON SUNDSTRAND CORP [US]

POWER SUPPLY CONTROL DEVICE

A power supply control device comprises: a generator (10) driven by an engine; a lead acid battery (30) and a lithium ion battery (40) connected in parallel to the generator; an SOC detector that dete…

DRIVE·Nov 25·2 min read

B60L50/13 TOYOTA MOTOR CO LTD [JP]

BRUSHLESS MOTOR CONTROL APPARATUS AND BRUSHLESS MOTOR CONTROL METHOD

Even in a situation other than engine normal operation such as engine stall, the output voltage of the three-phase brushless motor is prevented from causing the excessive voltage to be applied to an e…

DRIVE·Mar 12·2 min read

B60L50/13 SHINDENGEN ELECTRIC MFG [JP]

Drive system and railway vehicle provided with the drive system

In a drive system for standardizing a converter for a plurality of power sources, physical circuits as well as control of the converter need to be switched when a train enters a non-electrified route …

DRIVE·Jan 29·2 min read

B60L50/13 HITACHI LTD [JP]

Railway vehicle traction system

A typical traction system that does not have a storage battery device for a direct-current power unit of a main circuit cannot ensure exciting energy necessary upon activation of an induction generato…

DRIVE·Jan 1·2 min read

B60L50/13 HITACHI LTD [JP]

ELECTRIC DRIVE VEHICLE

PROBLEM TO BE SOLVED: To provide an electric drive vehicle that can be implemented inexpensively with a simple configuration, and includes a long-life power supply circuit of a diesel boost system. SO…

DRIVE·Sep 5·2 min read

B60L50/13 HITACHI CONSTRUCTION MACHINERY [JP]