CN104052081A - Main power plant for offshore gas field platform and application method thereof - Google Patents
Main power plant for offshore gas field platform and application method thereof Download PDFInfo
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- CN104052081A CN104052081A CN201410227784.1A CN201410227784A CN104052081A CN 104052081 A CN104052081 A CN 104052081A CN 201410227784 A CN201410227784 A CN 201410227784A CN 104052081 A CN104052081 A CN 104052081A
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Abstract
The invention relates to a main power plant for an offshore gas field platform and an application method of the main power plant. The main power plant comprises a plurality of natural gas power generation systems connected in parallel and a diesel oil power generation system connected with the natural gas power generation systems in parallel. Each natural gas power generation system comprises a natural gas source and a gas power generator set communicated with the natural gas source through a first pipeline. The diesel oil power generation system comprises a diesel oil source, a diesel oil daily tank communicated with the diesel oil source through a second pipeline and a diesel power generator set communicated with the diesel oil daily tank through a third pipeline. The output end of the diesel oil power generator set is provided with a fourth pipeline for conveying the residual diesel oil in the diesel oil power generator set back to the diesel oil daily tank. The main power plant further comprises a control system for controlling the diesel oil power generation system and the natural gas power generation systems or the natural gas power generation systems to operate in a controlled mode.
Description
Technical field
The present invention relates to a kind of electric equipment for offshore gas field platform, particularly about a kind of main electrical power plant for offshore gas field platform and using method thereof.
Background technology
Main electrical power plant traditional on offshore gas field platform adopts combustion gas turbine generator group or reciprocating double fuel engine unit, when the main electrical power plant of offshore gas field platform is loaded less, during even lower than 2000～3000kW, there is the defects such as investment and fuel handling expense height in above-mentioned two kinds of generating sets.For combustion gas turbine generator group, its heat efficiency is lower, the electricity of sending out power same, and the fuel that combustion gas turbine generator group expends is far longer than reciprocating double fuel engine unit.In addition, limit by the specification of combustion gas turbine generator group, general ISO power is greater than 3500kW, therefore has the operating mode of combustion gas turbine generator group leader phase underrun, this makes the heat efficiency of combustion gas turbine generator group will be lower, and the energy utilization rate of combustion gas turbine generator group is lower.For reciprocating double fuel engine unit, its operation needs diesel oil ignited, therefore has the shortcomings such as operating cost height.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of main electrical power plant for offshore gas field platform and using method thereof that can reduce unit investment, reduce operating cost and energy savings.
For achieving the above object, the present invention takes following technical scheme: a kind of main electrical power plant for offshore gas field platform, is characterized in that: it comprises natural gas power system and a diesel generating system in parallel with described natural gas power system of some parallel connections; Wherein, described natural gas power system comprises a natural air-air source and a fuel gas generation unit being communicated with described natural air-air source by the first pipeline; Described diesel generating system comprises a diesel oil source, a diesel oil working tank being communicated with described diesel oil source by the second pipeline and a diesel generating set being communicated with described diesel oil working tank by the 3rd pipeline; On the output of described diesel generating set, arrange one for remaining diesel oil in described diesel generating set being fed back to the 4th pipeline in described diesel oil working tank; It also comprises that a control diesel generating system and natural gas power system or some natural gas power systems operate in the control system under control model, described control system comprises that one is delivered to combustion gas and/or diesel generating set electricity respectively the loop of one bus-bar, one switch is all set on loop described in each, and the electricity being delivered on described bus-bar is delivered to the power consumption equipment on gas field by some another switches disposed thereon; All a voltage transformer in parallel and a current transformer on loop described in each, described in each, on the secondary output loop of voltage transformer, all connect one for controlling the synchronous device of described switch asynchronous switch-on, described in each, on another secondary output loop of voltage transformer, be divided into the signal input part that two branch roads also connect respectively one active power/frequency input unit and one reactive power/voltage input unit; Described in each, the secondary output loop of current transformer is also divided into the signal input part that two branch roads also also connect respectively described active power/frequency input unit and reactive power/voltage input unit; Described in each, active power/frequency input unit and the signal output part of one reactive power/voltage input unit are connected respectively a power divider that combustion gas and/or diesel generating set share and the input of a voltage divider, and the output of described power divider and voltage divider is connected with a generator excitation with a speed regulator of combustion gas and/or diesel generating set respectively.
Described fuel gas generation unit and diesel generating set all adopt air starting, and share a compressed air bottle, and described compressed air bottle is communicated with respectively described fuel gas generation unit and diesel generating set by a startup source of the gas; Described startup source of the gas is provided or separate configurations air compression system by platform utility meter wind system; Starting air pressure is 1000kPa left and right, and the volume of described compressed air bottle meets the continuous institute's air demand that starts above for 6 times of single generating set.
Described fuel gas generation unit and diesel generating set all adopt cooling by water, and cooling water is preferentially selected seawater, and described fuel gas generation unit and diesel generating set are all by the 5th pipeline connection cooling water.
Described fuel gas generation unit and diesel generating set include a generator, a central cooler, an oil cooler and an expansion tank; Described fuel gas generation unit also comprises a gas filter.
Described fuel gas generation unit adopts reciprocating fuel gas generation unit.
A kind of main electrical power plant for offshore gas field platform and using method thereof, it comprises following two kinds of situations: 1) go into operation initial stage or the maintenance of fuel gas generation unit or fault during in gas field, start diesel generating set and fuel gas generation parallel machine operation, now diesel generating set and fuel gas generation unit all operate under control model; 2) while normally production in gas field, excision diesel generating set, some fuel gas generation parallel machine operations, and in the time that the capacity of each fuel gas generation unit is identical, each fuel gas generation unit is operated under automatic mode; In the time that the capacity of each fuel gas generation unit is different, each fuel gas generation unit operates under control model.
Control method based on control system under control model is: combustion gas or diesel generating set utilize respectively described voltage transformer separately to gather voltage signal, gather current signal by described current transformer separately, and the voltage and current signal collecting is delivered to respectively to described reactive power/voltage input unit and active power/frequency input unit separately, described reactive power/voltage input unit and active power/frequency input unit, after converting the analog quantity of voltage signal and current signal to digital quantity, deliver in real time described voltage divider and power divider, and by it frequency to electrical network, the active power of voltage and every generating set, reactive power is calculated, according to speed regulator described in the actual frequency calculating and the frequency of active power and setting and the Deviation Control of active power, valve or the throttle of described speed regulator to corresponding generating set regulates, thereby the mains frequency that ensures whole offshore platform main electrical power plant is stabilized in the distribution of active power between rated value and each unit, according to actual voltage and the voltage of reactive power and setting and the deviation of reactive power, regulated the exciting current of corresponding generating set by voltage divider, realize voltage maintain between rated value and each unit without the distribution of work, load in gas field is lower and many fuel gas generation units move simultaneously or when a diesel generating set some fuel gas generation unit in parallel, can cause the load factor of fuel gas generation unit too low, need to excise one or more fuel gas generation unit, or need to excise diesel generating set, concrete cutting method is: each Parallel Operation of Power Unit, the control system of main electrical power plant is exerted oneself and the power load in gas field from the each combustion gas of motion tracking and/or diesel generating set, load factor in the time finding the operation of certain or multiple fuel gas generation unit lower than set ratio of minimum load to maximum load time, can transfer to certain completely or multiple fuel gas generation unit calculates to the load of diesel generating set in parallel with it or all the other fuel gas generation units, if certain or multiple fuel gas generation unit can meet the condition that receives whole diesel generating set loads or all the other fuel gas generation units, adopt the progressively load of off-load diesel generating set or all the other fuel gas generation units of automatic or manual mode, until be zero, after load has shifted, diesel generating set or time-delay closing after all the other fuel gas generation unit no-load running a period of times, now main electrical power plant only retains certain or multiple fuel gas generation unit moves, when certain or multiple fuel gas generation unit are during in operation, if now need to start high-power slewing on platform, press the start button of the motor of high-power slewing, the control system of main electrical power plant can be calculated the stand-by heat capacity of main electrical power plant automatically, in the time that the stand-by heat capacity calculating does not meet startup needs, the control system of main electrical power plant can be sent the signal that suppresses electric motor starting, and send self-starting instruction to standby diesel-generator unit or all the other fuel gas generation units, automatic and certain fuel gas generation parallel machine operation after diesel generating set or all the other fuel gas generation systems start successfully, the now control system derepression electric motor starting signal of main electrical power plant, motor enters start-up course.
The present invention is owing to taking above technical scheme, and it has the following advantages: 1, because the present invention mainly adopts reciprocating fuel gas generation unit, do not need diesel oil ignitedly, therefore save combustion gas and diesel oil, reduce operating cost.2, the reciprocating fuel gas generation unit mainly adopting due to the present invention can only be using natural gas as fuel, can not ensure main electrical power plant reliability of operation, therefore the present invention is also equipped with the diesel generating set taking diesel oil as fuel, by reciprocating fuel gas generation unit and diesel engine generator sets in parallel operation, improve fuel utilization flexibility.When initial stage or the maintenance of reciprocating fuel gas generation unit are gone into operation in gas field, operation diesel generating set; When gas field normally produces, the reciprocating fuel gas generation unit of isolated operation.Not only ensure main electrical power plant reliability of operation, and solved dexterously the problem of guarantee fuel.3, because the present invention can be according to the size of offshore gas field platform electric loading, diesel generating set of choose reasonable some reciprocating fuel gas generation units in parallel, actual electrical load and unit repair after going into operation according to offshore gas field platform, the quantity of convenient, flexible selection operating unit, therefore facilitates execute-in-place management.The line service amount of the reciprocating fuel gas generation unit that 4, the present invention adopts itself is little, overhaul life is long, fuel gas generation unit is consistent with diesel generating set type, belongs to reciprocating unit, and this Unit Combination mode is minimum for the adverse effect of unit regular maintenance management.5, reciprocating fuel gas generation unit and diesel generating set are combined as main electrical power plant unit, the equipment gross investment of main electrical power plant is low, and unit operation attended operation expense, fuel handling expense are few, and overall economic efficiency is good.
Brief description of the drawings
Fig. 1 is structure composition schematic diagram of the present invention
Fig. 2 is the control system schematic diagram of generating set of the present invention under control model (DROOP)
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.The present invention adopts a diesel generating system some natural gas power systems in parallel, because the connection of some natural gas power systems is identical with control mode, therefore be only described in detail as an example of a diesel generating system natural gas power system in parallel example:
As shown in Figure 1, the present invention includes a natural gas power system and a diesel generating system, wherein, natural gas power system comprises a natural air-air source 10, natural air-air source 10 is communicated with a reciprocating fuel gas generation unit 12 by a pipeline 11, and a unidirectional valve 13 is set on pipeline 11.Reciprocating fuel gas generation unit 12 comprises a reciprocating gas electricity generator 120, a gas filter 121, a central cooler 122, an oil cooler 123 and an expansion tank 124, and reciprocating fuel gas generation unit 12, for existing device, does not repeat them here.Diesel generating system comprises a diesel oil source 20, diesel oil source 20 is communicated with the oil-in of a diesel oil working tank 22 by a pipeline 21, the oil-out of diesel oil working tank 22 is communicated with the input of a diesel generating set 24 by a pipeline 23, one unidirectional valve 25 is set on pipeline 23, and the output of diesel generating set 24 is delivered to diesel oil working tank 22 by pipeline 26 by remaining diesel oil.Diesel generating set 24 comprises a diesel engine generator 240, a central cooler 241, an oil cooler 242 and an expansion tank 243, and diesel generating set 24, for existing device, does not repeat them here.Expansion tank 124 and expansion tank 243 all expand with heat and contract with cold and the change in volume that causes in closing pipe line internal cause variations in temperature for adapting to cooling water.
In a preferred embodiment, reciprocating fuel gas generation unit 12 and diesel generating set 24 all adopt air starting, and share a compressed air bottle 3, compressed air bottle 3 is communicated with respectively reciprocating fuel gas generation unit 12 and diesel generating set 24 by a startup source of the gas 30.Starting source of the gas 30 can be provided by platform utility meter wind system (not shown), also can separate configurations air compression system.Start air pressure 1000kPa left and right, the volume of compressed air bottle 3 at least meets single unit and starts institute's air demand continuous 6 times.
In a preferred embodiment, reciprocating fuel gas generation unit 12 and diesel generating set 24 all adopt cooling by water, and cooling water is preferentially selected seawater, and reciprocating fuel gas generation unit 12 and diesel generating set 24 are all communicated with cooling water by a pipeline 4.
When going into operation the initial stage in gas field, or reciprocating fuel gas generation unit 12 overhauls or when fault, need to start diesel generating set for subsequent use 24 and reciprocating fuel gas generation unit 12 parallel runnings, each unit operation realizes gaining merit between reciprocating fuel gas generation unit 12 and diesel generating set 24 in DROOP pattern, without the distribution of work.
When gas field normally produces, only need some reciprocating fuel gas generation unit 12 operations that are connected in parallel, in the time that the capacity of the some reciprocating fuel gas generation unit 12 of parallel connection is identical, reciprocating fuel gas generation unit 12 is operated under automatic synchronization (ISCO) pattern, is realized active power and reactive power equal proportion between the reciprocating fuel gas generation unit 12 of many same capabilities distribute by the control system (not shown) of reciprocating fuel gas generation unit 12 self.If some reciprocating fuel gas generation units in parallel 12 capacity when different, reciprocating fuel gas generation unit 12 operates under DROOP, with realize between the reciprocating fuel gas generation unit 12 of different capabilities meritorious, without the distribution of work.
The control system of moving under DROOP as example is described in detail in taking a diesel generating system natural gas power system in parallel below:
As shown in Figure 2, the electricity that reciprocating fuel gas generation unit 12 and diesel generating set 24 send is delivered to shared bus-bar 5 through loop 12-0 and loop 24-0 respectively, one switch QF1 and QF2 is all set on loop 12-0 and 24-0, and the electricity on bus-bar 5 is delivered to the power consumption equipment (not shown) on gas field by some switches disposed thereon.On loop 12-0 and 24-0, be parallel with respectively a voltage transformer 12-1,24-1 summation current transformer 12-2,24-2, on the secondary output loop 12-3 of voltage transformer 12-1,24-1 and 24-3, be all communicated with synchronous device 12-4 and a 24-4 for control switch QF1 and QF2 asynchronous switch-on, another secondary output loop 12-5 and the 24-5 of voltage transformer 12-1,24-1 is divided into two branch roads and is connected respectively the signal input part of one active power/frequency input unit 12-6,24-6 and reactive power/voltage input unit 12-7,24-7; Secondary output loop 12-8 and the 24-8 of current transformer 12-2,24-2 is also divided into two branch roads and is connected respectively the signal input part of meritorious power/frequency input unit 12-6,24-6 and reactive power/voltage input unit 12-7,24-7.The signal output part of active power/frequency input unit 12-6,24-6 and reactive power/voltage input unit 12-7,24-7 connects a shared power divider 6 and the input of voltage divider 7 respectively, and the output of power divider 6 and voltage divider 7 is connected with generator excitation 12-10,24-10 with speed regulator 12-9, the 24-9 of reciprocating fuel gas generation unit 12 and diesel generating set 24 respectively.
Describe the control procedure that a diesel generating system natural gas power system in parallel is moved under DROOP below in detail:
As shown in Figure 2, the electricity that reciprocating fuel gas generation unit 12 and diesel generating set 24 send is delivered to bus-bar 5, then gives the each power load on gas field by bus-bar 5.
Reciprocating fuel gas generation unit 12 and diesel generating set 24 utilize respectively voltage transformer 12-1 and 24-1 separately to gather voltage signal, gather current signal by current transformer 12-2 and 24-2 separately, and the voltage and current signal collecting is delivered to respectively to reactive power/voltage input unit 12-7, 24-7 and active power/frequency input unit 12-6, 24-6, reactive power/voltage input unit 12-7, 24-7 and active power/frequency input unit 12-6, 24-6 delivers to voltage divider 7 and power divider 6 after converting the analog quantity of voltage signal and current signal to digital quantity in real time, and by it frequency to electrical network, the active power of voltage and every generating set, reactive power is calculated, according to the Deviation Control speed regulator 12-9 of the frequency of the actual frequency calculating and active power and setting and active power, 24-9, speed regulator 12-9, valve or the throttle of 24-9 to corresponding generating set regulates, thereby the mains frequency that ensures whole offshore platform main electrical power plant is stabilized in the distribution of active power between rated value and each unit, according to actual voltage and the voltage of reactive power and setting and the deviation of reactive power, regulated exciting current 12-10, the 24-10 of corresponding generating set by voltage divider 9, realize voltage maintain between rated value and each unit without the distribution of work.
Load in gas field is lower and many reciprocatings fuel gas generation unit 12 moves simultaneously or when diesel generating set 24 some reciprocating fuel gas generation unit 12 in parallel, can cause the load factor of reciprocating fuel gas generation unit 12 too low, need to excise one or more reciprocating fuel gas generation unit 12, or need to excise diesel generating set 24, describe cutting method below as an example of a diesel generating set 24 reciprocating fuel gas generation unit 12 in parallel example in detail:
Reciprocating fuel gas generation unit 12 and diesel generating set 24 parallel runnings, main electrical power plant control system is exerted oneself and the power load in gas field from the each generating set of motion tracking, when find the load factor of reciprocating fuel gas generation unit 12 while moving lower than set ratio of minimum load to maximum load time, can transfer to reciprocating fuel gas generation unit 12 completely to the load of diesel generating set 24 calculates, if reciprocating fuel gas generation unit 12 can meet the condition that receives whole diesel generating set loads, adopt the progressively load of off-load diesel generating set 24 of automatic or manual mode, until be zero.After load has shifted, time-delay closing after 24 no-load running a period of times of diesel generating set, now system main electrical power plant only retains a reciprocating fuel gas generation unit 12 and moves.
In the time that only reciprocating fuel gas generation unit 12 is in operation, if now need to start high-power slewing on platform, press the electric motor starting button of high-power slewing, the control system of main electrical power plant can be calculated the stand-by heat capacity of main electrical power plant automatically, in the time calculating the satisfied startup needs of stand-by heat capacity, system can be sent the signal that suppresses electric motor starting, and send self-starting instruction to standby diesel-generator unit 24, automatic and reciprocating fuel gas generation unit 12 parallel runnings after diesel generating set 24 starts successfully, now power station control system derepression electric motor starting signal, motor enters start-up course.
The various embodiments described above are only for illustrating the present invention; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (8)
1. for a main electrical power plant for offshore gas field platform, it is characterized in that: it comprises natural gas power system and a diesel generating system in parallel with described natural gas power system of some parallel connections; Wherein, described natural gas power system comprises a natural air-air source and a fuel gas generation unit being communicated with described natural air-air source by the first pipeline; Described diesel generating system comprises a diesel oil source, a diesel oil working tank being communicated with described diesel oil source by the second pipeline and a diesel generating set being communicated with described diesel oil working tank by the 3rd pipeline; On the output of described diesel generating set, arrange one for remaining diesel oil in described diesel generating set being fed back to the 4th pipeline in described diesel oil working tank; It also comprises that a control diesel generating system and natural gas power system or some natural gas power systems operate in the control system under control model, described control system comprises that one is delivered to combustion gas and/or diesel generating set electricity respectively the loop of one bus-bar, one switch is all set on loop described in each, and the electricity being delivered on described bus-bar is delivered to the power consumption equipment on gas field by some another switches disposed thereon; All a voltage transformer in parallel and a current transformer on loop described in each, described in each, on the secondary output loop of voltage transformer, all connect one for controlling the synchronous device of described switch asynchronous switch-on, described in each, on another secondary output loop of voltage transformer, be divided into the signal input part that two branch roads also connect respectively one active power/frequency input unit and one reactive power/voltage input unit; Described in each, the secondary output loop of current transformer is also divided into the signal input part that two branch roads also also connect respectively described active power/frequency input unit and reactive power/voltage input unit; Described in each, active power/frequency input unit and the signal output part of one reactive power/voltage input unit are connected respectively a power divider that combustion gas and/or diesel generating set share and the input of a voltage divider, and the output of described power divider and voltage divider is connected with a generator excitation with a speed regulator of combustion gas and/or diesel generating set respectively.
2. a kind of main electrical power plant for offshore gas field platform as claimed in claim 1, it is characterized in that: described fuel gas generation unit and diesel generating set all adopt air starting, and share a compressed air bottle, described compressed air bottle is communicated with respectively described fuel gas generation unit and diesel generating set by a startup source of the gas; Described startup source of the gas is provided or separate configurations air compression system by platform utility meter wind system; Starting air pressure is 1000kPa left and right, and the volume of described compressed air bottle meets the continuous institute's air demand that starts above for 6 times of single generating set.
3. a kind of main electrical power plant for offshore gas field platform as claimed in claim 1, it is characterized in that: described fuel gas generation unit and diesel generating set all adopt cooling by water, cooling water is preferentially selected seawater, and described fuel gas generation unit and diesel generating set are all by the 5th pipeline connection cooling water.
4. a kind of main electrical power plant for offshore gas field platform as claimed in claim 2, it is characterized in that: described fuel gas generation unit and diesel generating set all adopt cooling by water, cooling water is preferentially selected seawater, and described fuel gas generation unit and diesel generating set are all by the 5th pipeline connection cooling water.
5. a kind of main electrical power plant for offshore gas field platform as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described fuel gas generation unit and diesel generating set include a generator, a central cooler, an oil cooler and an expansion tank; Described fuel gas generation unit also comprises a gas filter.
6. a kind of main electrical power plant for offshore gas field platform as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described fuel gas generation unit adopts reciprocating fuel gas generation unit.
7. the main electrical power plant for offshore gas field platform as described in claim 1～6 any one and a using method thereof, it comprises following two kinds of situations:
1) while going into operation initial stage or the maintenance of fuel gas generation unit or fault in gas field, start diesel generating set and fuel gas generation parallel machine operation, now diesel generating set and fuel gas generation unit all operate under control model;
2) while normally production in gas field, excision diesel generating set, some fuel gas generation parallel machine operations, and in the time that the capacity of each fuel gas generation unit is identical, each fuel gas generation unit is operated under automatic mode; In the time that the capacity of each fuel gas generation unit is different, each fuel gas generation unit operates under control model.
8. a kind of main electrical power plant for offshore gas field platform as claimed in claim 7 and using method thereof, it is characterized in that: the control method based on control system under control model is: combustion gas or diesel generating set utilize respectively described voltage transformer separately to gather voltage signal, gather current signal by described current transformer separately, and the voltage and current signal collecting is delivered to respectively to described reactive power/voltage input unit and active power/frequency input unit separately, described reactive power/voltage input unit and active power/frequency input unit, after converting the analog quantity of voltage signal and current signal to digital quantity, deliver in real time described voltage divider and power divider, and by it frequency to electrical network, the active power of voltage and every generating set, reactive power is calculated, according to speed regulator described in the actual frequency calculating and the frequency of active power and setting and the Deviation Control of active power, valve or the throttle of described speed regulator to corresponding generating set regulates, thereby the mains frequency that ensures whole offshore platform main electrical power plant is stabilized in the distribution of active power between rated value and each unit, according to actual voltage and the voltage of reactive power and setting and the deviation of reactive power, regulated the exciting current of corresponding generating set by voltage divider, realize voltage maintain between rated value and each unit without the distribution of work,
Load in gas field is lower and many fuel gas generation units move simultaneously or when a diesel generating set some fuel gas generation unit in parallel, can cause the load factor of fuel gas generation unit too low, need to excise one or more fuel gas generation unit, or need to excise diesel generating set, concrete cutting method is:
Each Parallel Operation of Power Unit, the control system of main electrical power plant is exerted oneself and the power load in gas field from the each combustion gas of motion tracking and/or diesel generating set, load factor in the time finding the operation of certain or multiple fuel gas generation unit lower than set ratio of minimum load to maximum load time, can transfer to certain completely or multiple fuel gas generation unit calculates to the load of diesel generating set in parallel with it or all the other fuel gas generation units, if certain or multiple fuel gas generation unit can meet the condition that receives whole diesel generating set loads or all the other fuel gas generation units, adopt the progressively load of off-load diesel generating set or all the other fuel gas generation units of automatic or manual mode, until be zero, after load has shifted, diesel generating set or time-delay closing after all the other fuel gas generation unit no-load running a period of times, now main electrical power plant only retains certain or multiple fuel gas generation unit moves,
When certain or multiple fuel gas generation unit are during in operation, if now need to start high-power slewing on platform, press the start button of the motor of high-power slewing, the control system of main electrical power plant can be calculated the stand-by heat capacity of main electrical power plant automatically, in the time that the stand-by heat capacity calculating does not meet startup needs, the control system of main electrical power plant can be sent the signal that suppresses electric motor starting, and send self-starting instruction to standby diesel-generator unit or all the other fuel gas generation units, automatic and certain fuel gas generation parallel machine operation after diesel generating set or all the other fuel gas generation systems start successfully, the now control system derepression electric motor starting signal of main electrical power plant, motor enters start-up course.
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