WO2013078760A1 - Shipborne transformer substation - Google Patents

Shipborne transformer substation Download PDF

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Publication number
WO2013078760A1
WO2013078760A1 PCT/CN2012/000730 CN2012000730W WO2013078760A1 WO 2013078760 A1 WO2013078760 A1 WO 2013078760A1 CN 2012000730 W CN2012000730 W CN 2012000730W WO 2013078760 A1 WO2013078760 A1 WO 2013078760A1
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WO
WIPO (PCT)
Prior art keywords
voltage cable
low
voltage
transformer
shipborne
Prior art date
Application number
PCT/CN2012/000730
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French (fr)
Chinese (zh)
Inventor
高彦明
陈钢
董新强
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连云港星火岸电工程有限公司
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Application filed by 连云港星火岸电工程有限公司 filed Critical 连云港星火岸电工程有限公司
Publication of WO2013078760A1 publication Critical patent/WO2013078760A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B7/00—Enclosed substations, e.g. compact substations

Definitions

  • the invention relates to a substation, in particular to a terminal equipment shipboard substation of a terminal marine power supply system.
  • China is the world's largest water transport country, with an annual port cargo throughput of more than 7 billion tons, ranking first in the world.
  • the number of ships berthing in coastal and inland river ports each year is huge, mainly including general cargo ships, bulk carriers, container ships, automobile ships, log ships, chemical tankers, liquefied gas carriers, passenger ships and tankers. Since almost all ships in the world use their own light-emitting or heavy-duty diesel generators to generate electricity by themselves, the ship emits a large amount of carbon dioxide, sulfides and nitrides, which has a serious impact on the atmospheric environment. Ships docked at the terminal must use the ship's auxiliary equipment 24 hours a day to generate electricity to meet the needs of the ship's electricity.
  • the auxiliary machine burns a large amount of oil in the work, discharges a large amount of exhaust gas, and generates noise pollution 24 hours a day without interruption.
  • the technical problem to be solved by the present invention is to provide a shipboard substation with reasonable structural design and convenient and quick power supply in view of the deficiencies of the prior art.
  • the technical problem to be solved by the present invention is achieved by the following technical solutions.
  • the invention relates to a ship-borne substation, which is characterized in that: it comprises high-voltage inlet and outlet line rejection, transformer and rolling in and out line rejection, high-voltage cable is connected to the high-voltage inlet and outlet line, and then enters the transformer, and the transformer passes through the low-voltage cable and the low-voltage cable.
  • the line refuses to connect, the low-voltage input and output line refuses to connect with the power distribution through the low-voltage cable; it also has a PLC programmable controller, and the PLC programmable controller passes the signal line and the ⁇ ⁇ pressure in and out of the line to reject and distribute Rejected circuit breaker connection, PLC programmable controller also through the signal line and the speed of the shipborne generator
  • the lifting device is connected, and the onboard generator is connected to the power distribution through a signal line.
  • the technical problem to be solved by the present invention can be further achieved by the following technical solutions.
  • the above-mentioned ship-borne substation is characterized by: It also has a photoelectric conversion module, and the photoelectric conversion module of the invention is connected to the PLC programmable controller through the signal line, and the photoelectric conversion module is connected to the upper computer through the multi-mode optical cable. In this way, communication with the host computer can be realized, which facilitates information feedback and management.
  • the shipboard substation of the present invention is not only the terminal equipment of the terminal marine power supply system, but also the power supply equipment for the ship using the shore power.
  • the high-voltage inlet and outlet lines, transformers and PLC programmable controllers installed in the ship-borne substation are used to connect the low-voltage power supply cables to the ship's main switchboard busbars for use by the ship after docking.
  • the shipboard substation of the present invention provides two power supply modes for powering the ship: 1. interlock mode, 2. grid-connected mode.
  • Interlock mode When the interlock mode is selected, the PLC program interlocks the low-voltage power switch of the ship-borne substation with the ship power station.
  • the low voltage power supply switch of the shipborne substation of the present invention does not accept any closing signal, and will not cause the closing failure; only when the onboard generator stops working (ie, confluence)
  • the low-voltage power supply switch of the ship-borne substation will receive the closing signal to provide shore power supply to the whole ship through the ship-borne substation.
  • Grid-connected mode When the grid-connected mode is selected, the PLC sets the low-voltage power switch of the ship-borne substation to the grid-connected mode. After adjusting the speed of the ship-borne generator so that the frequency and voltage of the ship-borne generator and the ship-borne substation are basically the same, press the grid connection button, the ship-borne substation captures the synchronization timing, and the grid signal is issued when the system reaches the complete grid connection condition. The shipboard substation and the shipborne generator are connected to the grid for power supply. After the grid connection is successful, the load transfer and the shipboard generator are disengaged, so that the uninterrupted power supply from the shore power to the whole ship can be realized.
  • the interlock mode and the grid connection mode can be selected to restore the ship power station in the form of intermittent or uninterrupted power supply.
  • the structure of the invention is reasonable and convenient to use, and can be realized in an uninterrupted power Under the condition of the ship load transfer to shore power, so as to ensure that the ship's normal operation and domestic electricity consumption is not affected.
  • the ship-borne substation of the invention is a novel concept of power supply mode, and the ship-borne substation has compact structure, reliable operation and convenient maintenance.
  • Figure 1 is a schematic block diagram showing the structure of the present invention.
  • a ship-borne substation includes a high-voltage inlet and outlet line rejection, a transformer and a low-voltage inlet and outlet line rejection, a high-voltage cable connected to the high-voltage input and output line, and then connected to the transformer, and the transformer passes through the low-voltage cable and the low-voltage cable.
  • the line refuses to connect, the low-voltage input and output line refuses to connect with the power distribution through the low-voltage cable; it also has a PLC programmable controller, and the PLC programmable controller rejects the disconnection through the signal line and the low-voltage input and output line respectively.
  • the PLC programmable controller is also connected to the speed regulating lifting device of the onboard generator through a signal line, and the shipborne generator is rejected by the signal line and the power distribution.
  • Embodiment 2 In the shipboard substation described in Embodiment 1, the photoelectric conversion module is further provided, and the photoelectric conversion module is connected to the PLC through a signal line and a PLC programmable controller, and the photoelectric conversion module is connected to the host computer through a multimode optical cable. .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

A shipborne transformer substation, comprising a high voltage cable inlet/outlet cabinet, a transformer and a low voltage cable inlet/outlet cabinet; a high voltage cable is connected into the high voltage cable inlet/outlet cabinet, and is then led out and enters the transformer; the transformer is connected to the low voltage cable inlet/outlet cabinet via a low voltage cable; the low voltage cable inlet/outlet cabinet is connected to a power distribution cabinet via a low voltage cable; the shipborne transformer substation is also provided with a programmable logic controller (PLC); the PLC is connected to the circuit breakers of the low voltage cable inlet/outlet cabinet and the power distribution cabinet via signal wires, and is also connected to the speed controlled lifting device of a shipborne generator via a signal wire; and the shipborne generator is connected to the power distribution cabinet via a signal wire.

Description

船载变电站 技术领域  Shipborne substation
本发明涉及一种变电站， 特别是一种码头船用供电系统的终端设备船载 变电站。  The invention relates to a substation, in particular to a terminal equipment shipboard substation of a terminal marine power supply system.
背景技术  Background technique
我国是世界上最大的水运国家， 年港口货物吞吐量达 70多亿吨， 居世界 之首。 每年在我国沿海和内河港口靠泊装卸货物的船舶数量巨大， 主要包括 杂货船、 散货船、 集装箱船、 汽车船、 原木船、 化工品船、 液化气船、 客轮 和油轮等。 由于全世界几乎所有的船舶均使用燃烧轻质或重质柴油的发电机 自行发电， 所以船舶会排出大量二氧化碳、 硫化物和氮化物， 对大气环境造 成严重影响。 停靠码头的船舶必须一天 24小时采用船舶辅机来发电， 以满足 船舶用电的需求。 辅机在工作中燃烧大量的油料， 排出大量的废气， 同时 24 小时不间断地产生噪声污染。 现有技术中还没有适用于高压上船的船载变电 站。  China is the world's largest water transport country, with an annual port cargo throughput of more than 7 billion tons, ranking first in the world. The number of ships berthing in coastal and inland river ports each year is huge, mainly including general cargo ships, bulk carriers, container ships, automobile ships, log ships, chemical tankers, liquefied gas carriers, passenger ships and tankers. Since almost all ships in the world use their own light-emitting or heavy-duty diesel generators to generate electricity by themselves, the ship emits a large amount of carbon dioxide, sulfides and nitrides, which has a serious impact on the atmospheric environment. Ships docked at the terminal must use the ship's auxiliary equipment 24 hours a day to generate electricity to meet the needs of the ship's electricity. The auxiliary machine burns a large amount of oil in the work, discharges a large amount of exhaust gas, and generates noise pollution 24 hours a day without interruption. There is no shipboard substation suitable for high pressure onboard ships in the prior art.
发明内容 本发明所要解决的技术问题是针对现有技术的不足， 提供一种结构设计 合理、 能实现方便快捷供电的船载变电站。  SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to provide a shipboard substation with reasonable structural design and convenient and quick power supply in view of the deficiencies of the prior art.
本发明所要解决的技术问题是通过以下的技术方案来实现的。 本发明是 一种船载变电站， 其特点是： 它包括高压进出线拒、 变压器和氐压进出线拒， 高压电缆接入高压进出线拒后接出， 进入变压器， 变压器通过低压电缆与低 压进出线拒连接， 低压进出线拒通过低压电缆与配电拒连接； 它还设有 PLC 可编程控制器， 所述的 PLC可编程控制器分别通过信号线与^ ί氏压进出线拒、 配电拒的断路器连接， PLC 可编程控制器还通过信号线与船载发电机的调速 升降装置连接， 所述的船载发电机通过信号线与配电拒连接。 The technical problem to be solved by the present invention is achieved by the following technical solutions. The invention relates to a ship-borne substation, which is characterized in that: it comprises high-voltage inlet and outlet line rejection, transformer and rolling in and out line rejection, high-voltage cable is connected to the high-voltage inlet and outlet line, and then enters the transformer, and the transformer passes through the low-voltage cable and the low-voltage cable. The line refuses to connect, the low-voltage input and output line refuses to connect with the power distribution through the low-voltage cable; it also has a PLC programmable controller, and the PLC programmable controller passes the signal line and the ^ ̄ pressure in and out of the line to reject and distribute Rejected circuit breaker connection, PLC programmable controller also through the signal line and the speed of the shipborne generator The lifting device is connected, and the onboard generator is connected to the power distribution through a signal line.
本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现。 以上所述的船载变电站， 其特点是： 它还设有光电转换模块， 所迷的光电转 换模块通过信号线与 PLC可编程控制器， 光电转换模块通过多模光缆与上位 机连接。 这样， 可以实现与上位机进行通讯， 便于信息反馈与管理。  The technical problem to be solved by the present invention can be further achieved by the following technical solutions. The above-mentioned ship-borne substation is characterized by: It also has a photoelectric conversion module, and the photoelectric conversion module of the invention is connected to the PLC programmable controller through the signal line, and the photoelectric conversion module is connected to the upper computer through the multi-mode optical cable. In this way, communication with the host computer can be realized, which facilitates information feedback and management.
与现有技术相比， 本发明船载变电站既是码头船用供电系统的终端设备， 也是船舶使用岸电的电源设备。 船载变电站内设置的高压进出线拒，变压器以 及 PLC可编程控制器等， 通过船用电力电缆将低压供电弓 )入至船舶主配电板 汇流排， 供船舶靠港后使用。  Compared with the prior art, the shipboard substation of the present invention is not only the terminal equipment of the terminal marine power supply system, but also the power supply equipment for the ship using the shore power. The high-voltage inlet and outlet lines, transformers and PLC programmable controllers installed in the ship-borne substation are used to connect the low-voltage power supply cables to the ship's main switchboard busbars for use by the ship after docking.
本发明船载变电站向船舶供电有两种供电模式可供选择： 1、 联锁模式， 2、 并网模式。  The shipboard substation of the present invention provides two power supply modes for powering the ship: 1. interlock mode, 2. grid-connected mode.
1、 联锁模式： 选择联锁模式时， PLC程序将船载变电站低压供电开关与 船舶电站互锁。 当船载发电机正在工作（即汇流排有电时）， 本发明船载变电 站低压供电开关不接受任何合闸信号， 不会造成合闸误动作； 只有当船载发 电机停止工作（即汇流排失电时），船载变电站低压供电开关才接受合闸信号， 实现通过船载变电站向全船提供岸电供电。  1. Interlock mode: When the interlock mode is selected, the PLC program interlocks the low-voltage power switch of the ship-borne substation with the ship power station. When the onboard generator is working (ie, when the busbar is powered), the low voltage power supply switch of the shipborne substation of the present invention does not accept any closing signal, and will not cause the closing failure; only when the onboard generator stops working (ie, confluence) When the power is lost, the low-voltage power supply switch of the ship-borne substation will receive the closing signal to provide shore power supply to the whole ship through the ship-borne substation.
2、 并网模式： 选择并网模式时， PLC将船载变电站低压供电开关设置为 并网待并模式。 通过调整船载发电机转速， 使船载发电机与船载变电站的频 率和电压基本一致后， 按动并网按钮， 船载变电站捕捉同步时机， 系统达到 完全并网条件时发出并网信号， 使船载变电站与船载发电机实现并网供电。 并网成功后， 进行负载转移并解列船载发电机， 从而实现由岸电向全船提供 不间断供电。  2. Grid-connected mode: When the grid-connected mode is selected, the PLC sets the low-voltage power switch of the ship-borne substation to the grid-connected mode. After adjusting the speed of the ship-borne generator so that the frequency and voltage of the ship-borne generator and the ship-borne substation are basically the same, press the grid connection button, the ship-borne substation captures the synchronization timing, and the grid signal is issued when the system reaches the complete grid connection condition. The shipboard substation and the shipborne generator are connected to the grid for power supply. After the grid connection is successful, the load transfer and the shipboard generator are disengaged, so that the uninterrupted power supply from the shore power to the whole ship can be realized.
反之， 撤销岸电供电时， 也可以选择联锁模式和并网模式两种方式， 实 现间断或不间断供电的形式恢复船舶电站工作。  Conversely, when the shore power supply is cancelled, the interlock mode and the grid connection mode can be selected to restore the ship power station in the form of intermittent or uninterrupted power supply.
与现有技术相比， 本发明结构设置合理、 使用方便， 可以实现在不断电 的状况下实现船舶负荷向岸电的转移， 从而保证船舶的正常作业和生活用电 不受任何影响。 本发明船载变电站是一种新型理念的供电方式， 船载变电站 结构紧凑， 运行可靠， 维护方便。 Compared with the prior art, the structure of the invention is reasonable and convenient to use, and can be realized in an uninterrupted power Under the condition of the ship load transfer to shore power, so as to ensure that the ship's normal operation and domestic electricity consumption is not affected. The ship-borne substation of the invention is a novel concept of power supply mode, and the ship-borne substation has compact structure, reliable operation and convenient maintenance.
附图说明  DRAWINGS
图 1为本发明的一种结构示意框图。  Figure 1 is a schematic block diagram showing the structure of the present invention.
具体实施方式  detailed description
以下参照附图， 进一步描述本发明的具体技术方案， 以便于本领域的技 术人员进一步地理解本发明， 而不构成对其权利的限制。  The specific technical solutions of the present invention are further described below with reference to the accompanying drawings, so that the present invention may be further understood by those skilled in the art.
实施例 1 , 参照图 1， 一种船载变电站， 它包括高压进出线拒、 变压器和 低压进出线拒， 高压电缆接入高压进出线拒后接出， 进入变压器， 变压器通 过低压电缆与低压进出线拒连接， 低压进出线拒通过低压电缆与配电拒连接； 它还设有 PLC可编程控制器，所述的 PLC可编程控制器分别通过信号线与低 压进出线拒、 配电拒的断路器连接， PLC 可编程控制器还通过信号线与船载 发电机的调速升降装置连接， 所述的船载发电机通过信号线与配电拒连接。  Embodiment 1 Referring to FIG. 1, a ship-borne substation includes a high-voltage inlet and outlet line rejection, a transformer and a low-voltage inlet and outlet line rejection, a high-voltage cable connected to the high-voltage input and output line, and then connected to the transformer, and the transformer passes through the low-voltage cable and the low-voltage cable. The line refuses to connect, the low-voltage input and output line refuses to connect with the power distribution through the low-voltage cable; it also has a PLC programmable controller, and the PLC programmable controller rejects the disconnection through the signal line and the low-voltage input and output line respectively. The PLC programmable controller is also connected to the speed regulating lifting device of the onboard generator through a signal line, and the shipborne generator is rejected by the signal line and the power distribution.
实施例 2， 实施例 1所述的船载变电站中： 它还设有光电转换模块， 所述 的光电转换模块通过信号线与 PLC可编程控制器， 光电转换模块通过多模光 缆与上位机连接。  Embodiment 2: In the shipboard substation described in Embodiment 1, the photoelectric conversion module is further provided, and the photoelectric conversion module is connected to the PLC through a signal line and a PLC programmable controller, and the photoelectric conversion module is connected to the host computer through a multimode optical cable. .

Claims

权 利 要 求 书 、 一种船载变电站， 其特征在于： 它包括高压进出线拒、 变压器和低压进 出线拒， 高压电缆接入高压进出线拒后接出， 进入变压器， 变压器通过 低压电缆与低压进出线拒连接，低压进出线拒通过低压电缆与配电柜连 接； 它还设有 PLC可编程控制器， 所述的 PLC可编程控制器分别通过 信号线与低压进出线拒、 配电拒的断路器连接， PLC可编程控制器还通 过信号线与船载发电机的调速升降装置连接， 所述的船载发电机通过信 号线与配电柜连接。 The invention relates to a ship-borne substation, which is characterized in that: it comprises a high-voltage inlet and outlet line rejection, a transformer and a low-voltage inlet and outlet line rejection, a high-voltage cable is connected to the high-voltage inlet and outlet line, and is connected to the transformer, and the transformer passes through the low-voltage cable and the low-voltage cable. The line refuses to connect, the low-voltage input and output line refuses to connect with the power distribution cabinet through the low-voltage cable; it also has a PLC programmable controller, and the PLC programmable controller rejects the disconnection through the signal line and the low-voltage input and output line respectively The PLC programmable controller is also connected to the speed regulating lifting device of the shipboard generator through a signal line, and the shipborne generator is connected to the power distribution cabinet through a signal line.
、 根据权利要求 1所述的船载变电站， 其特征在于： 它还设有光电转换模 块，所述的光电转换模块通过信号线与 PLC可编程控制器，光电转换模 块通过多模光缆与上位机连接。 The shipboard substation according to claim 1, further comprising: a photoelectric conversion module, wherein the photoelectric conversion module passes the signal line and the PLC programmable controller, and the photoelectric conversion module passes the multimode optical cable and the upper computer. connection.
PCT/CN2012/000730 2011-11-30 2012-05-28 Shipborne transformer substation WO2013078760A1 (en)

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CN 201110389388 CN102522710B (en) 2011-11-30 2011-11-30 Ship-borne transformer substation

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