CN114172259A - Emergency power distribution system of passenger ship - Google Patents

Emergency power distribution system of passenger ship Download PDF

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Publication number
CN114172259A
CN114172259A CN202111365768.5A CN202111365768A CN114172259A CN 114172259 A CN114172259 A CN 114172259A CN 202111365768 A CN202111365768 A CN 202111365768A CN 114172259 A CN114172259 A CN 114172259A
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CN
China
Prior art keywords
emergency
circuit breaker
distribution board
main
power
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Pending
Application number
CN202111365768.5A
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Chinese (zh)
Inventor
曹亚冬
陈聪
董良志
张旭
于立国
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China Shipbuilding Technology Development Co ltd
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China Shipbuilding Technology Development Co ltd
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Publication date
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Priority to CN202111365768.5A priority Critical patent/CN114172259A/en
Publication of CN114172259A publication Critical patent/CN114172259A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • H02J9/065—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads for lighting purposes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/42—The network being an on-board power network, i.e. within a vehicle for ships or vessels

Abstract

The embodiment of the invention discloses an emergency power distribution system of a passenger ship, which comprises a first main emergency distribution board, a second main emergency distribution board and a first emergency generator, wherein the first main emergency distribution board is electrically connected with a first main power grid through a first circuit breaker and is electrically connected with the first emergency generator through a second circuit breaker; the second main emergency distribution board is electrically connected with the second emergency generator through a third circuit breaker and is electrically connected with a second main power grid through a fourth circuit breaker, the second main emergency distribution board is electrically connected with the first main emergency distribution board through a first bus coupler switch, and the first circuit breaker, the second circuit breaker, the third circuit breaker and the fourth circuit breaker are interlocked with the first bus coupler switch; the first branch emergency distribution board is electrically connected with the first main emergency distribution board through a fifth circuit breaker and a sixth circuit breaker; the second divides the emergent panel, is connected through seventh circuit breaker and eighth circuit breaker and the emergent panel electricity of second main, divides between emergent panel of second and the first emergent panel of branch and is connected through the second mother and allies oneself with the switch electricity, and sixth circuit breaker, eighth circuit breaker and the second mother ally oneself with the switch interlocking.

Description

Emergency power distribution system of passenger ship
Technical Field
The invention relates to the technical field of ship emergency power distribution, in particular to an emergency power distribution system of a passenger ship.
Background
According to the relevant requirement of SOLAS, emergent distribution board power supply system uses emergent scheme when the normal power supply system of guarantee boats and ships breaks down. Especially for passenger ships, the first major task is to ensure the life safety of people, and the emergency power distribution system is a key system for ensuring the safe operation of the passenger ships. The emergency distribution board supplies power to the whole ship emergency equipment uninterruptedly. Once the main power station has a fault, the emergency power station needs to supply power to the emergency equipment such as lighting, navigation lights, signal lamps, radio communication equipment, alarm systems, steering devices and the like of important places on the ship for a short time, so that the smooth communication between the ship and the shore and the safe evacuation of personnel on the ship can be ensured in the emergency situation.
At present, conventional emergency power distribution system designs all employ a single emergency generator and a single main emergency distribution board. Under the emergency condition, once the emergency distribution board or the emergency generator set breaks down, the whole emergency distribution system loses, and the connected important electric equipment is also in a power-off state and cannot be used. The technical state and the practical application requirements of the existing equipment are combined, and the problem of stable power supply of important equipment under the condition of single fault of an emergency generator set or an emergency distribution board needs to be solved urgently.
This problem is not well addressed in the design of ships. The emergency power distribution system still adopts the traditional design scheme, so that great risks exist, and particularly for passenger ships, if the emergency power distribution system fails under the emergency condition, great harm is caused to the life safety of passengers and crews.
Disclosure of Invention
In view of the above problems in the prior art, an embodiment of the present invention provides an emergency power distribution system for a passenger ship, which comprises two emergency power generator sets and two main emergency power distribution boards, and is further equipped with a battery set for emergency lighting in a specific area.
The embodiment of the invention provides an emergency power distribution system of a passenger ship, which comprises:
the first main emergency distribution board is electrically connected with the first main power grid through a first circuit breaker and electrically connected with the first emergency generator through a second circuit breaker;
a second main emergency distribution board electrically connected to a second emergency generator through a third circuit breaker and to a second main grid through a fourth circuit breaker, the second main emergency distribution board being electrically connected to the first main emergency distribution board through a first buscouple switch, wherein the first circuit breaker, the second circuit breaker, the third circuit breaker, and the fourth circuit breaker are interlocked with the first buscouple switch;
a first sub-emergency distribution board electrically connected to the first main emergency distribution board through a fifth circuit breaker and a sixth circuit breaker arranged in series;
the second divides the emergency distribution board, its through the seventh circuit breaker and the eighth circuit breaker that set up in series with the second main emergency distribution board electricity is connected, divide the emergency distribution board the second divide the emergency distribution board with connect through the second mother between the emergency distribution board electricity and connect, wherein, sixth circuit breaker, eighth circuit breaker with the second mother allies oneself with the switch interlock.
In some embodiments of the present invention, the emergency power distribution system of a passenger ship further includes:
an emergency lighting distribution board electrically connected to the second sub emergency distribution board through a ninth circuit breaker;
the battery pack is electrically connected with a charger through a first battery switch, and the battery pack is electrically connected with the emergency lighting distribution board through a second battery switch and a tenth circuit breaker which are sequentially connected in series, wherein the charger is electrically connected with the first main emergency distribution board through an eleventh circuit breaker and is electrically connected with the second main emergency distribution board through a twelfth circuit breaker;
wherein the ninth circuit breaker is interlocked with the tenth circuit breaker such that only one of the ninth circuit breaker and the tenth circuit breaker is in a closed state, and the eleventh circuit breaker is interlocked with the twelfth circuit breaker such that only one of the eleventh circuit breaker and the twelfth circuit breaker is in a closed state.
In some embodiments of the invention, if the second sub emergency distribution board is capable of supplying power to the emergency lighting distribution board, then,
a ninth circuit breaker is closed and the tenth circuit breaker and the second battery switch are open;
the battery pack is charged through the eleventh circuit breaker via the first main emergency distribution board or through the twelfth circuit breaker via the second main emergency distribution board, and the first battery switch is closed when charging.
In some embodiments of the invention, if both the first main power grid and the second main power grid are normally powered, then,
the first circuit breaker, the fourth circuit breaker is closed, the fifth circuit breaker, the sixth circuit breaker, the seventh circuit breaker and the eighth circuit breaker are closed, and the second circuit breaker, the third circuit breaker, the first bus coupler switch and the second bus coupler switch are opened.
In some embodiments of the invention, if the first main power grid is de-energized and the second main power grid is normally energized, then,
the first circuit breaker is opened, the first bus tie switch is kept opened, the second circuit breaker is closed, and the first emergency generator is started to supply power to the first main emergency distribution board and the first sub emergency distribution board;
if first emergency generator can not normally start and supply power, then first bus tie switch is closed, through second owner net to first main emergency distribution board and first branch emergency distribution board power supply.
In some embodiments of the invention, if the first main power grid is normally powered and the second main power grid is powered off, then,
the fourth circuit breaker is disconnected, the first bus coupler switch is kept disconnected, the third circuit breaker is closed, and the second emergency generator is started to supply power to the second main emergency distribution board and the second branch emergency distribution board.
In some embodiments of the invention, if the second emergency generator cannot be started up normally for supplying power, the first buscouple switch is closed, and power is supplied to the second main emergency distribution board and the second sub emergency distribution board through the first main grid.
In some embodiments of the invention, if both the first main power network and the second main power network are de-energized, then,
the first busbar switch and the second busbar switch are kept open, the first circuit breaker is opened, the second circuit breaker is closed, and the first emergency generator is started to supply power to the first main emergency distribution board and the first sub emergency distribution board;
the fourth circuit breaker is opened, the third circuit breaker is closed, the second emergency generator is started, and power is supplied to the second main emergency distribution board and the second branch emergency distribution board.
In some embodiments of the invention, the first buscouple switch is closed if the first emergency generator or the second emergency generator cannot be started normally for supplying power.
In some embodiments of the present invention, if the generator set capacity satisfies a preset condition when the first emergency generator and/or the second emergency generator supplies power, the first circuit breaker and the second circuit breaker are closed to supply power to the setting device in the first main power grid and the second main power grid.
Compared with the prior art, the embodiment of the invention has the advantages that: the emergency power distribution system has high reliability, a single fault principle is considered, a certain emergency power generation unit breaks down, and the normal operation of the emergency power distribution system is not influenced. When a certain distribution board fails, only corresponding electric equipment is lost, and the reliable operation of the equipment to the maximum extent is reserved; electric equipment of an important system is respectively arranged through different emergency distribution boards, such as a port and starboard propulsion frequency converter of a ship, and is respectively supplied with power by a first main emergency distribution board and a second main emergency distribution board, so that the port and starboard propulsion system can at least keep one side to supply power reliably under the condition of single fault of the emergency distribution system; furthermore, under the condition that the main power grid and the emergency power supply feed both have faults, the battery pack can still maintain emergency lighting, and the defects of the traditional system architecture are greatly reduced or eliminated; in addition, a reverse power supply technology is adopted, so that the reliable operation of some important equipment in the main power grid is guaranteed under the condition of power failure of the main power grid, and the comfort level and the safety and the reliability of the passenger ship are improved.
Drawings
Fig. 1 is a schematic diagram of a power distribution system of an emergency power distribution system of a passenger ship according to an embodiment of the present invention.
Reference numerals:
1. a first circuit breaker; 2. a second circuit breaker; 3. a third circuit breaker; 4. a fourth circuit breaker; 5. a fifth circuit breaker; 6. a sixth circuit breaker; 7. a seventh circuit breaker; 8. an eighth circuit breaker; 9. a ninth circuit breaker; 10. a tenth circuit breaker; 11. an eleventh circuit breaker; 12. a twelfth circuit breaker; 100. a first main emergency switchboard; 101. a first main power grid; 102. a first emergency generator; 103. a first branch emergency distribution board; 200. a second main emergency switchboard; 201. a second main grid, 202, a second emergency generator; 203. a second sub-emergency distribution board; 300. a first buscouple switch; 301. a second buscouple switch; 400. an emergency lighting distribution panel; 401. a battery pack; 402. a first battery switch; 403. a second battery switch; 404. a charger.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Various aspects and features of the present application are described herein with reference to the drawings.
These and other characteristics of the present application will become apparent from the following description of preferred forms of embodiment, given as non-limiting examples, with reference to the attached drawings.
It should also be understood that, although the present application has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of application, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the application, which can be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as to not unnecessarily obscure the present application with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the application.
An embodiment of the present invention provides an emergency power distribution system for a passenger ship, as shown in fig. 1, the emergency power distribution system includes:
a first main emergency switchboard 100, electrically connected to a first main grid 101 through a first circuit breaker 1, and electrically connected to a first emergency generator 102 through a second circuit breaker 2;
a second main emergency distribution board 200 electrically connected to a second emergency generator 202 through a third circuit breaker 3 and to a second main grid 201 through a fourth circuit breaker 4, the second main emergency distribution board 200 being electrically connected to the first main emergency distribution board 100 through a first buscouple switch 300, wherein the first circuit breaker 1, the second circuit breaker 2, the third circuit breaker 3, and the fourth circuit breaker 4 are interlocked with the first buscouple switch 300;
a first sub-emergency switchboard 103 electrically connected to said first main emergency switchboard 100 through a fifth circuit breaker 5 and a sixth circuit breaker 6 arranged in series;
and a second sub emergency distribution board 203 electrically connected to the second main emergency distribution board 200 through a seventh breaker 7 and an eighth breaker 8 which are arranged in series, wherein the second sub emergency distribution board 203 and the first sub emergency distribution board 103 are electrically connected through a second bus tie switch 301, and the sixth breaker 6 and the eighth breaker 8 are interlocked with the second bus tie switch 301.
According to the technical scheme, the emergency power distribution system of the passenger ship provided by the embodiment of the invention comprises two emergency power generation units and two main emergency distribution boards, wherein each emergency power generation unit is provided with a main emergency distribution board and a sub emergency distribution board to form two emergency subsystems, each emergency subsystem is provided with an emergency power generation unit and a main emergency distribution board, and the main emergency distribution board and the sub emergency distribution boards supply emergency equipment with different voltage levels. And the voltage levels of the first main emergency distribution board 100 and the second main emergency distribution board 200 in the two emergency subsystems are the same, and the voltage levels of the first sub emergency distribution board 103 and the second sub emergency distribution board 203 are the same. The port and starboard equipment of the important system can be supplied with power by the emergency distribution boards with the same voltage grade and different voltage grades respectively, so that the power supply isolation of the port and starboard important emergency equipment is realized. In the design of emergency generator set model selection, a single emergency generator set is selected to meet the requirement of an emergency generator used by the whole emergency power distribution system.
In this embodiment, the emergency power distribution system of a passenger ship further includes: an emergency lighting distribution board 400 and a battery pack 401, the emergency lighting distribution board 400 being electrically connected to the second sub emergency distribution board 203 through a ninth circuit breaker 9; the battery pack 401 is electrically connected to a charger 404 through a first battery switch 402, the battery pack 401 is electrically connected to the emergency lighting distribution board 400 through a second battery switch 403 and a tenth circuit breaker 10 which are connected in series in sequence, wherein the charger 404 is electrically connected to the first main emergency distribution board 100 through an eleventh circuit breaker 11 and the second main emergency distribution board 200 through a twelfth circuit breaker 12, respectively;
wherein the ninth circuit breaker 9 is interlocked with the tenth circuit breaker 10 such that only one of the ninth circuit breaker 9 and the tenth circuit breaker 10 is in a closed state, and the eleventh circuit breaker 11 is interlocked with the twelfth circuit breaker 12 such that only one of the eleventh circuit breaker 11 and the twelfth circuit breaker 12 is in a closed state.
In some embodiments of the present invention, if the second sub emergency distribution board 203 is able to supply power to the emergency lighting distribution board 400, the ninth breaker 9 is closed, the tenth breaker 10 and the second battery switch 403 are open; the battery pack 401 is charged by the eleventh circuit breaker 11 via the first main emergency distribution board 100 or by the twelfth circuit breaker 12 via the second main emergency distribution board 200, and the first battery switch 402 is closed when charging. Specifically, in the normal operation condition of the emergency power distribution system, the emergency lighting distribution board 400 is powered by the second sub emergency distribution board 203, the ninth breaker 9 is closed, and the ninth breaker 9 and the tenth breaker 10 are interlocked. The battery pack 401 is charged by the first main emergency distribution board 100 and the second main emergency distribution board 200, the eleventh breaker 11 and the twelfth breaker 12 are interlocked, and electric energy is supplied to the battery pack 401 through the charger 404 and the first battery switch 402 is closed. If the emergency situation occurs, the second sub emergency distribution board 203 cannot supply power to the emergency lighting distribution board 400, then the second battery switch 403 is closed, the tenth circuit breaker 10 is closed, the ninth circuit breaker 9 is opened, the battery pack 401 supplies power to the emergency lighting distribution board 400, and the power supply time period should meet the specification requirement.
In some embodiments of the present invention, if the first main grid 101 and the second main grid 201 are both normally powered, the first main emergency distribution board 100 and the second main emergency distribution board 200 are both powered by the respective main grids, the emergency power set is not operated, the first circuit breaker 1, the fourth circuit breaker 4, the fifth circuit breaker 5, the sixth circuit breaker 6, the seventh circuit breaker 7 and the eighth circuit breaker 8 are closed, the second circuit breaker 2, the third circuit breaker 3, the first buscouple switch 300 and the second buscouple switch 301 are opened, and normally, only one power supply is allowed on the distribution boards.
In some embodiments of the present invention, if the first main grid 101 is powered off and the second main grid 201 is normally powered, the first circuit breaker 1 is opened, the first buscouple switch 300 remains opened, the second circuit breaker 2 is closed, the first emergency generator 102 is started to supply power to the first main emergency distribution board 100 and the first sub emergency distribution board 103; if the first emergency generator 102 cannot be normally started to supply power, the first buscouple switch 300 is closed, and power is supplied to the first main emergency distribution board 100 and the first sub emergency distribution board 103 through the second main grid 201.
In some embodiments of the present invention, if the first main grid 101 is normally powered and the second main grid 201 is powered off, the fourth circuit breaker 4 is opened, the first buscouple switch 300 remains open, the third circuit breaker 3 is closed, and the second emergency generator 202 is started to supply power to the second main emergency distribution board 200 and the second sub emergency distribution board 203.
In this embodiment, if the second emergency generator 202 cannot be normally started to supply power, the first buscouple switch 300 is closed to supply power to the second main emergency distribution board 200 and the second sub emergency distribution board 203 through the first main grid 101.
In some embodiments of the invention, if both the first main grid 101 and the second main grid 201 are de-energized, the first and second buscouple switches 300 and 301 remain open, the first circuit breaker 1 is open, the second circuit breaker 2 is closed, the fifth and sixth circuit breakers 5 and 6 are closed, the first emergency generator 102 is activated, supplying power to the first main emergency switchboard 100 and the first sub emergency switchboard 103;
the fourth circuit breaker 4 is opened, the third circuit breaker 3 is closed, the seventh circuit breaker 7 and the eighth circuit breaker 8 are closed, the second emergency generator 202 is started, and power is supplied to the second main emergency distribution board 200 and the second branch emergency distribution board 203.
Further, in this embodiment, if the first emergency generator 102 or the second emergency generator 202 cannot be normally started to supply power, the first buscouple switch 300 is closed.
In some embodiments of the present invention, if the generator set capacity satisfies a preset condition while the first emergency generator 102 and/or the second emergency generator 202 are supplying power, the first circuit breaker 1 and the second circuit breaker 2 are closed to supply power to the setting devices in the first main power grid 101 and the second main power grid 201. The preset condition is that the generator set capacity of the emergency generator can meet the use requirement of main equipment in an emergency power distribution system powered by the emergency generator, and can simultaneously supply power to the set equipment in the first main power grid 101 and the second main power grid 201, and meet the use requirement of the set equipment, namely, under the condition that the main power grid is completely powered off, when the first emergency generator 102 and the second emergency generator 202 in the emergency power distribution system are completely started, some important equipment of the main power grid can be reversely supplied.
According to the technical scheme, the emergency power distribution system of the passenger ship provided by the embodiment of the invention is high in reliability, the single fault principle is considered, and the normal operation of the emergency power distribution system is not influenced when a certain emergency generator set breaks down. When a certain distribution board fails, only corresponding electric equipment is lost, and the reliable operation of the equipment to the maximum extent is reserved; electric equipment of an important system is respectively arranged through different emergency distribution boards, such as port and starboard propulsion frequency converters of a ship, and is respectively supplied with power by the first main emergency distribution board 100 and the second main emergency distribution board 200, so that the port and starboard propulsion systems can at least keep one side to supply power reliably under the condition of single fault of the emergency distribution systems; further, under the condition that both the main power grid and the emergency power supply feed are in failure, the battery pack 401 can still maintain emergency lighting, and the defects of the traditional system architecture are greatly reduced or eliminated; in addition, a reverse power supply technology is adopted, so that the reliable operation of some important equipment in the main power grid is guaranteed under the condition of power failure of the main power grid, and the comfort level and the safety and the reliability of the passenger ship are improved.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims (10)

1. An emergency power distribution system for a passenger ship, comprising:
the first main emergency distribution board is electrically connected with the first main power grid through a first circuit breaker and electrically connected with the first emergency generator through a second circuit breaker;
a second main emergency distribution board electrically connected to a second emergency generator through a third circuit breaker and to a second main grid through a fourth circuit breaker, the second main emergency distribution board being electrically connected to the first main emergency distribution board through a first buscouple switch, wherein the first circuit breaker, the second circuit breaker, the third circuit breaker, and the fourth circuit breaker are interlocked with the first buscouple switch;
a first sub-emergency distribution board electrically connected to the first main emergency distribution board through a fifth circuit breaker and a sixth circuit breaker arranged in series;
the second divides the emergency distribution board, its through the seventh circuit breaker and the eighth circuit breaker that set up in series with the second main emergency distribution board electricity is connected, divide the emergency distribution board the second divide the emergency distribution board with connect through the second mother between the emergency distribution board electricity and connect, wherein, sixth circuit breaker, eighth circuit breaker with the second mother allies oneself with the switch interlock.
2. An emergency power distribution system for a passenger ship according to claim 1, further comprising:
an emergency lighting distribution board electrically connected to the second sub emergency distribution board through a ninth circuit breaker;
the battery pack is electrically connected with a charger through a first battery switch, and the battery pack is electrically connected with the emergency lighting distribution board through a second battery switch and a tenth circuit breaker which are sequentially connected in series, wherein the charger is electrically connected with the first main emergency distribution board through an eleventh circuit breaker and is electrically connected with the second main emergency distribution board through a twelfth circuit breaker;
wherein the ninth circuit breaker is interlocked with the tenth circuit breaker such that only one of the ninth circuit breaker and the tenth circuit breaker is in a closed state, and the eleventh circuit breaker is interlocked with the twelfth circuit breaker such that only one of the eleventh circuit breaker and the twelfth circuit breaker is in a closed state.
3. Emergency power distribution system for passenger ships according to claim 2,
if the second sub-emergency distribution board is capable of supplying power to the emergency lighting distribution board, then,
a ninth circuit breaker is closed and the tenth circuit breaker and the second battery switch are open;
the battery pack is charged through the eleventh circuit breaker via the first main emergency distribution board or through the twelfth circuit breaker via the second main emergency distribution board, and the first battery switch is closed when charging.
4. Emergency power distribution system for a passenger ship according to claim 1,
if the first main power grid and the second main power grid are both normally powered, then,
the first circuit breaker, the fourth circuit breaker is closed, the fifth circuit breaker, the sixth circuit breaker, the seventh circuit breaker and the eighth circuit breaker are closed, and the second circuit breaker, the third circuit breaker, the first bus coupler switch and the second bus coupler switch are opened.
5. Emergency power distribution system for a passenger ship according to claim 1,
if the first main power grid is powered off and the second main power grid is normally powered on, then,
the first circuit breaker is opened, the first bus tie switch is kept opened, the second circuit breaker is closed, and the first emergency generator is started to supply power to the first main emergency distribution board and the first sub emergency distribution board;
if first emergency generator can not normally start and supply power, then first bus tie switch is closed, through second owner net to first main emergency distribution board and first branch emergency distribution board power supply.
6. Emergency power distribution system for passenger ships according to claim 5,
if the first main power grid supplies power normally and the second main power grid is powered off, then,
the fourth circuit breaker is disconnected, the first bus coupler switch is kept disconnected, the third circuit breaker is closed, and the second emergency generator is started to supply power to the second main emergency distribution board and the second branch emergency distribution board.
7. Emergency power distribution system for a passenger ship according to claim 6,
if the second emergency generator cannot be normally started to supply power, the first bus coupler switch is closed, and the second main emergency distribution board and the second branch emergency distribution board are supplied with power through the first main power grid.
8. Emergency power distribution system for a passenger ship according to claim 1,
if both the first main grid and the second main grid are de-energized, then,
the first busbar switch and the second busbar switch are kept open, the first circuit breaker is opened, the second circuit breaker is closed, and the first emergency generator is started to supply power to the first main emergency distribution board and the first sub emergency distribution board;
the fourth circuit breaker is opened, the third circuit breaker is closed, the second emergency generator is started, and power is supplied to the second main emergency distribution board and the second branch emergency distribution board.
9. Emergency power distribution system for a passenger ship according to claim 8,
and if the first emergency generator or the second emergency generator can not be normally started to supply power, the first bus coupler switch is closed.
10. Emergency power distribution system for a passenger ship according to claim 1,
if when first emergency generator and/or second emergency generator supplied power, generating set capacity satisfied the preset condition, then closed first circuit breaker with the second circuit breaker, it is right first main electric wire netting with the setting equipment in the second main electric wire netting supplies power.
CN202111365768.5A 2021-11-17 2021-11-17 Emergency power distribution system of passenger ship Pending CN114172259A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111365768.5A CN114172259A (en) 2021-11-17 2021-11-17 Emergency power distribution system of passenger ship

Applications Claiming Priority (1)

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CN202111365768.5A CN114172259A (en) 2021-11-17 2021-11-17 Emergency power distribution system of passenger ship

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