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Generated power control system

A technology of generating power and control system, applied in control system, AC motor control, single motor speed/torque control, etc., can solve problems such as inability to provide required power and inability to output torque

Inactive Publication Date: 2008-01-23
NISSAN MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there is a possibility that the required power corresponding to the demand of the motor cannot be provided, and thus, an unsolved problem is that there is a possibility that an appropriate amount of torque cannot be output

Method used

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Embodiment Construction

[0041] Selected embodiments of the present invention will now be described by referring to the accompanying drawings. It will be apparent to those skilled in the art from this disclosure that the following descriptions of the embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims and their equivalents.

[0042] Fig. 1 is a simplified schematic block diagram of a four-wheel drive vehicle equipped with a vehicle drive control apparatus having a generator power control unit according to the present invention. Each embodiment of the present invention will be described using this schematic block diagram. In view of the similarity between the various embodiments of the invention, parts of the second embodiment that are identical or have the same function will be given the same reference numerals in each embodiment.

[0043] First, referring to FIG. 1, a four-wheel drive vehicle used...

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Abstract

PROBLEM TO BE SOLVED: To provide a generator power controller capable of controlling both generated voltage and generated current and efficiently controlling power generation.SOLUTION: Power Pg to be outputted by a generator 7 is computed based on a motor torque command value Tt. A generated voltage command value Vdc<SP>*< / SP>and a generated current command value Idc<SP>*< / SP>for outputting this power Pg are computed. The load on an inverter 9 is varied by varying a PWM pulse width. Thus, control is carried out so that the actual generated voltage value Vdc and the actual generated current value Idc follow the generated voltage command value Vdc<SP>*< / SP>and the generated current command value Idc<SP>*< / SP>.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under 35 U.S.C §119 to Japanese Patent Application Nos. 2004-376551 and 2004-379594. Accordingly, the entire disclosures of Japanese Patent Application Nos. 2004-376551 and 2004-379594 are hereby incorporated by reference. technical field [0003] The present invention generally relates to generating power control systems for controlling electrical generators. More specifically, the present invention relates to a power generation control system that controls power generation of a generator in a 4WD vehicle, wherein the generator is driven by an internal combustion engine for driving primary drive wheels, and the generator is driven by an internal combustion engine for driving secondary drive wheels. The generator of the wheel drives the AC electric motor. Background technique [0004] There are known various generating power control systems in which, after calculating a voltage comman...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P27/00H02P27/06H02P6/06B60L50/16B60L50/14
CPCY02T10/6243Y02T10/623Y02T10/7077Y02T10/6265Y02T10/642Y02T10/64Y02T10/7072
Inventor 杉田秀彦川岛英树松田俊郎石川泰毅
Owner NISSAN MOTOR CO LTD
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