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Dynamic Mix Control

A technology for energy flow and power plants, applied in electric vehicles, propulsion engines, traction driven by engines, etc., can solve problems such as the inability to eliminate MGS variable load conditions, and achieve the effect of eliminating grid fluctuations

Active Publication Date: 2021-03-02
KONGSBERG MARITIME
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While the system taught in NO 334364 will reduce fast transients on the MGS, it will not eliminate variable load conditions on the MGS

Method used

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Examples

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Embodiment Construction

[0027] figure 1An example of a typical power plant setup is shown comprising various generators such as MGS, in this example referred to as a Diesel Generator (DG) group (103), in this specific example the energy storage device is a battery (101 ). Power and energy to and from the battery are adapted by a converter (102). The converter (102) typically performs a first conversion from an alternating current (AC) type signal, current or voltage to a direct current (DC) signal, current or voltage when sending charge to the battery. Another term to describe this first conversion is rectification. The converter (102) also performs a second conversion from the battery's DC voltage to an AC domain signal (typically a voltage) when sending charge from the battery to the panel or grid. Another term to describe this second transformation is inversion. According to an embodiment of the present invention, the system may use additional regulation of said AC voltage, for example by usin...

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Abstract

The invention relates to a system and method for controlling a power plant in a ship. The system includes at least one switchboard, which also includes a plurality of power plant components including power supply equipment such as generators and energy storage elements, at least one energy consumer, and a dynamic hybrid control unit, the The dynamic hybrid control unit includes measuring means for monitoring predetermined power plant and ship-related parameters and computing means for calculating and forecasting power and energy requirements of the power plant in different time frames in the future. The system utilizes the power and energy requirements to pre-plan and distribute power and energy among the power plant components to minimize transients including power plant voltage, frequency changes and generator load changes.

Description

technical field [0001] The present invention relates to power management systems used in hybrid vessels or installations. Background technique [0002] Most modern ships today use diesel power generation systems, which means that the propulsion means (such as propellers) are driven electrically by means of power supplied to the propulsion means by a motor generator set (MGS) driven by a diesel engine. Some other MGS alternatives to diesel engines could be fuel cells, gas turbines, dual fuel engines and the like. The most common implementation of an MGS control system includes a supervisor for speed control and an automatic voltage control unit for set point adjustment via a power management system (PMS), or alternatively, all within a single unit. [0003] Most ships also comprise at least two control systems: a first control system regulating power plant network parameters or grid parameters and a second control system regulating the motion of said ship. The secondary con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/46H02J3/32B60L50/15
CPCH02J3/28B63H2021/202H02J3/003H02J2310/12H02J3/14B60L2200/32Y02T70/5236B60L50/15B63H21/17H02J3/32B63H21/20H02J3/381
Inventor 埃里克·马蒂森博约纳·瑞佛森彼得·佛格斯塔德·乔安内森尼尔斯·艾伯特·詹森奥利·亨里克·约根森
Owner KONGSBERG MARITIME
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