CN113431687A - Novel topological structure of digital speed regulator - Google Patents
Novel topological structure of digital speed regulator Download PDFInfo
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- CN113431687A CN113431687A CN202110390524.6A CN202110390524A CN113431687A CN 113431687 A CN113431687 A CN 113431687A CN 202110390524 A CN202110390524 A CN 202110390524A CN 113431687 A CN113431687 A CN 113431687A
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 25
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 230000009977 dual effect Effects 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 7
- 238000012795 verification Methods 0.000 claims description 6
- 230000004069 differentiation Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 11
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/105—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
- F02D31/007—Electric control of rotation speed controlling fuel supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/08—Redundant elements, e.g. two sensors for measuring the same parameter
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a novel topological structure of a digital speed regulator, which comprises: the system comprises a power regulation module, a speed regulation module and a redundant speed regulation module, and is characterized in that the power regulation module is used for regulating active power according to the load condition of a power grid and the operation condition of a diesel generator; the speed regulator module and the redundant speed regulator module are both connected with the power regulating module, and the redundant speed regulator module is used for replacing the speed regulating module; interfaces among the speed regulator module, the redundant speed regulator module and the power regulator module are isolation interfaces. The invention optimizes the topological structure by dividing the functions of the digital speed regulator, and the design realizes the safety grading control and the safety redundancy design.
Description
Technical Field
The invention relates to the field of speed regulators of diesel generating sets, in particular to a novel topological structure of a digital speed regulator.
Background
The digital speed regulator of the diesel generator set is used as key safety-level equipment of a nuclear power plant, and has the functions of adjusting the position of an accelerator of the diesel generator according to the equipment load condition of the nuclear power plant so as to change the oil supply quantity of a diesel engine fuel supply system, further realizing the effective supply of energy of the nuclear power plant, and the automatic grid-connected control of the generator set also depends on the safe and stable operation of the digital speed regulator. In addition, when the diesel generating set is operated in a grid-connected mode, speed regulation is performed or the number of the generating sets which are merged into the operation is adjusted according to the actual condition that the load consumes the total power, if a generating set fails, a standby generating set can be started or the failed generating set can be stopped in time, however, when the digital speed regulator fails, such as speed regulation failure or runaway, the stable operation of the generating set is difficult to guarantee. Therefore, a safety level design of the digital governor is indispensable.
In the prior art, only a speed regulator or a whole set of power generation equipment is provided with redundancy, however, when parameters such as output power, output voltage and frequency of a diesel generator needing grid connection need to meet grid connection requirements or load changes, starting or switching of a digital speed regulator becomes difficult.
Disclosure of Invention
In order to solve the technical problems and ensure the safety level power utilization of a nuclear power plant, the invention provides a novel topological structure of a digital speed regulator, and the digital speed regulator comprises: the system comprises a power regulation module, a speed regulation module and a redundant speed regulation module;
the power regulation module is used for carrying out active power regulation according to the load condition of a power grid and the operation condition of the diesel generator;
the speed regulator module and the redundant speed regulator module are both connected with the power regulation module, and the redundant speed regulator module is used for replacing the speed regulation module.
Furthermore, the speed regulation module is also connected with an actuator, the actuator can drive the diesel engine and feed back the opening degree of the accelerator to the speed regulator module, the rotating speed sensor is used for monitoring the rotating speed of the diesel engine, and the diesel engine drives the generator to generate electricity.
Furthermore, the power control module is a non-safety-level device, and the speed regulation module is a safety-level device;
furthermore, interfaces among the speed regulator module, the redundant speed regulator module and the power regulator module are isolation interfaces; the isolation interface may be a Low Voltage Differential Signaling (LVDS) interface;
further, the power control module comprises a power transmitter, a double-channel tracking module, a power set value and an active power regulation PID; the input signal of the given power value is a command signal and a control mode switching signal which come from the outside of the system; the power transmitter receives feedback information of voltage and current of the generator, combines the power information obtained by calculation with a signal of a given power value to calculate load deviation between load and actual active power output by the generator and power required by the load, and the active PID regulation calculates a power regulation variable required to be output by adopting PID regulation according to the load deviation; the speed regulator module receives the power regulating variable through an isolation interface; the dual channel tracking is used to track the operating conditions of the speed regulator module;
the speed regulator module and the redundant speed regulator module are the same in composition, are connected through a dual-channel automatic switching module and can obtain a power regulation variable output by active PID regulation; the speed regulator module comprises a rotating speed set value, a speed PID regulation module, an opening set value and an opening PID regulation module; the rotating speed set value is connected with a command signal and a control mode switching signal which come from the outside of the system through an isolation interface, the rotating speed set value further comprises an active regulation verification module and a rotating speed calculation module, the active regulation verification module verifies whether a power regulating variable is in a reasonable range according to the received command signal and power demand data transmitted from an I/O port, the rotating speed calculation module is used for calculating the rotating speed value according to the power regulating variable and effective power data of a diesel engine, taking the calculated rotating speed value as the rotating speed set value, calculating a rotating speed deviation between the rotating speed set value and the rotating speed value of the diesel engine monitored by a rotating speed sensor, carrying out speed PID regulation calculation according to the rotating speed deviation, and taking the obtained speed regulating variable as a fuel control signal as an input calculation opening set value, and calculating the deviation between the given opening value and the opening value fed back by the actuator, and performing opening PID (proportion integration differentiation) adjustment, wherein an accelerator opening signal output by the opening PID adjustment drives the actuator to act so as to adjust the oil inlet quantity of the diesel engine.
Further, the power demand data refers to average data in the history of power consumption of the nuclear power plant and a difference value between minimum power consumption data and peak power consumption data, and a ratio of the difference value between the power regulating variable and the average data to the difference value between the minimum power consumption data and the peak power consumption data is compared to determine whether the difference value is within a reasonable difference value range.
Furthermore, an accelerator opening signal, a diesel engine rotating speed signal and an accelerator opening feedback signal of the rotating speed sensor are all connected with the dual-channel tracking through an isolation interface, the dual-channel tracking can also acquire power regulating variable data, firstly, whether the accelerator opening signal, the accelerator opening feedback signal and the diesel engine rotating speed signal are matched or not is compared, and if the accelerator opening signal, the accelerator opening feedback signal and the diesel engine rotating speed signal are matched, the fact that the actuator and the diesel engine have no problem is indicated; and then the dual-channel tracking also tracks whether the rotating speed deviation, the fuel control signal and the opening deviation deviate more and more or deviate beyond a normal level in real time so as to judge whether the speed regulator module works normally.
Furthermore, the dual-channel tracking further controls the dual-channel automatic switching module to complete the switching from the speed regulator module to the redundant speed regulator module.
Further, the nuclear power plant key electric equipment further comprises a power acquisition module for acquiring each key electric equipment, power data acquired by the power acquisition module is transmitted to a power dispatching control module, the power dispatching control module is used for comprehensively calculating the power data, the power data further comprises average data in the history of the power consumption of the nuclear power plant, a difference value between minimum power consumption data and peak power consumption data and the like, the number of diesel generators needing grid-connected operation is calculated, and a given power value, a starting command and a control mode switching signal which are required by each diesel generator equipment are calculated;
the invention realizes the redundancy design of the safety level rotating speed regulation by the design of two safety level speed regulators, realizes the grid-connected power regulation during maintenance and system misoperation by one power control regulator, and realizes stable speed regulation after grid connection. The topological structure of the digital speed regulator is optimized through functional division of the digital speed regulator, and the design realizes safe hierarchical control and safe redundancy design.
Drawings
FIG. 1 is a new topology architecture for a digital governor;
FIG. 2 is a governor redundancy topology control map;
fig. 3 is a power scheduling control schematic diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present invention provides a new topology of a digital governor, which includes: a power regulation module 1, a speed regulator module 2 and a redundant speed regulator module 3; the power regulation module 1 is used for carrying out active power regulation according to the load condition of a power grid and the operation condition of the diesel generator 5; the speed regulator module 2 and the redundant speed regulator module 3 are both connected with the power regulation module 1, and the redundant speed regulator module 3 is used for switching after the speed regulator module 2 fails. The power regulating module is a non-safety level device, and the speed regulator module 2 is a safety level device. The interface between the speed regulator module 2 and the power regulator module is an isolation interface; the isolation interface may be: a Low Voltage Differential Signaling (LVDS) interface.
The speed regulator module 2 or the redundant speed regulator module 3 can regulate the accelerator opening of the diesel engine 4, the diesel engine 4 is connected with the generator 5, and the generator 5 is connected with the key electric equipment 66 of the nuclear power station.
The speed regulator module 2 is further connected with an actuator, the actuator can drive the diesel engine 4 and feed back the opening degree of the accelerator to the speed regulator module 2, the rotating speed sensor is used for monitoring the rotating speed of the diesel engine 4, and the diesel engine 4 drives the generator 5 to generate electricity.
Example 2
As shown in fig. 2, the power regulation module 1 includes a power transmitter, a dual channel tracking, a power set value and an active regulation PID; the input signal of the given power value is a command signal and a control mode switching signal which come from the outside of the system; the power transmitter receives feedback information of voltage and current of the generator 5, combines the power information obtained by calculation with a signal of a power given value to calculate load deviation between load and actual active power output by the generator 5 and power required by the load, and the active PID regulation calculates a power regulation variable required to be output by adopting PID regulation according to the load deviation; the speed regulator module 2 receives the power regulating variable through an isolation interface; the dual channel tracking is used to track the operating conditions of the speed regulator module 2;
the speed regulator module 2 and the redundant speed regulator module 2 are the same in composition, are connected through a dual-channel automatic switching module, and can obtain power regulating variables output by active PID regulation; the speed regulator module 2 comprises a rotating speed set value, a speed PID regulation module, an opening set value and an opening PID regulation module; the given value of the rotating speed is connected with a command signal and a control mode switching signal which come from the outside of the system through an isolation interface, the given value of the rotating speed further comprises an active regulation verification module and a rotating speed calculation module, the active regulation verification module verifies whether a power regulating variable is in a reasonable range according to the received command signal and power demand data transmitted from an I/O port, the rotating speed calculation module is used for calculating the rotating speed value according to the power regulating variable and effective power data of the diesel engine 4, taking the calculated rotating speed value as the given value of the rotating speed, calculating the rotating speed deviation between the given value of the rotating speed and the rotating speed value of the diesel engine 4 monitored by a rotating speed sensor, carrying out speed PID regulation calculation according to the rotating speed deviation, and taking the obtained speed regulating variable as a fuel control signal as an input calculation opening given value, and calculating the deviation between the given opening value and the opening value fed back by the actuator, and performing opening PID (proportion integration differentiation) adjustment, wherein an accelerator opening signal output by the opening PID adjustment drives the actuator to act so as to adjust the oil inlet amount of the diesel engine 4.
The power demand data refers to average data in the history of power consumption of the nuclear power plant and a difference value between the minimum power consumption data and the peak power consumption data, and the ratio of the difference value between the power regulating variable and the average data to the difference value between the minimum power consumption data and the peak power consumption data is compared to determine whether the difference value is in a reasonable difference value range or not.
The accelerator opening signal, the rotating speed signal of the diesel engine 4 and the accelerator opening feedback signal of the rotating speed sensor are all connected with a double-channel tracking device through an isolation interface, the double-channel tracking device can also acquire power regulating variable data, firstly, the accelerator opening signal, the accelerator opening feedback signal and the rotating speed signal of the diesel engine 4 are compared to determine whether the signals are matched, and if the signals are matched, the actuator and the diesel engine 4 have no problem; the dual channel tracking then also tracks in real time whether the speed deviation, fuel control signal, opening deviation are deviating more and more or beyond normal levels in order to determine whether the speed regulator module 2 is working properly. The dual channel tracking also further controls the dual channel automatic switching module to complete the switching of the speed regulator module 2 to the redundant speed regulator module 2.
As shown in fig. 3, the nuclear power plant key electric equipment 6 further includes a power collection module 7 for collecting each key electric equipment, the power data collected by the power collection module 7 is transmitted to a power dispatching control module 8, the power dispatching control module 8 is used for calculating the power data comprehensively, the power data further includes average data in the history of the power consumption of the nuclear power plant, a difference value between minimum power consumption data and peak power consumption data, and the like, and calculates the number of diesel generators 5 that need to be operated in a grid-connected manner, and calculates a given power value and an on command and control mode switching signal that are required by each diesel generator 5.
The invention realizes the redundancy design of the safety level rotating speed regulation by the design of two safety level speed regulators, realizes the grid-connected power regulation during maintenance and system misoperation by one power control regulator, and realizes stable speed regulation after grid connection. The topological structure of the digital speed regulator is optimized through functional division of the digital speed regulator, and the design realizes safe hierarchical control and safe redundancy design.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A novel topology of a digital governor, the digital governor comprising: the system comprises a power regulation module, a speed regulation module and a redundant speed regulation module, and is characterized in that the power regulation module is used for regulating active power according to the load condition of a power grid and the operation condition of a diesel generator; the speed regulator module and the redundant speed regulator module are both connected with the power regulating module, and the redundant speed regulator module is used for replacing the speed regulating module; interfaces among the speed regulator module, the redundant speed regulator module and the power regulator module are isolation interfaces.
2. The novel topology of a digital governor of claim 1, wherein the speed regulation module is further connected to an actuator that can drive a diesel engine and feed back throttle opening to the speed regulation module.
3. The novel topology of a digital governor of claim 1, wherein the isolation interface is an LVDS interface.
4. The novel topology of a digital governor of claim 1, wherein the power control module includes a power transmitter, dual channel tracking, power set point, and active regulation PID; the input signal of the given power value is a command signal and a control mode switching signal which come from the outside of the system; the power transmitter receives feedback information of voltage and current of the generator, combines the power information obtained by calculation with a signal of a given power value to calculate load deviation between load and actual active power output by the generator and power required by the load, and the active PID regulation calculates a power regulation variable required to be output by adopting PID regulation according to the load deviation; the speed regulator module receives the power regulating variable through an isolation interface; the dual channel tracking is used to track the operating conditions of the speed regulator module.
5. The novel topology of a digital governor of claim 4, wherein the speed governor modules and the redundant speed governor modules are identical in composition, are connected by dual channel auto-switching modules, and are each capable of deriving a power regulation variable for an active PID regulation output.
6. The novel topology of a digital governor of claim 5, wherein the speed governor module comprises a rotational speed set point, a speed PID regulation, an opening set point, and an opening PID regulation module; the rotating speed set value is connected with a command signal and a control mode switching signal which come from the outside of the system through an isolation interface, the rotating speed set value further comprises an active regulation verification module and a rotating speed calculation module, the active regulation verification module verifies whether a power regulating variable is in a reasonable range according to the received command signal and power demand data transmitted from an I/O port, the rotating speed calculation module is used for calculating the rotating speed value according to the power regulating variable and effective power data of a diesel engine, taking the calculated rotating speed value as the rotating speed set value, calculating a rotating speed deviation between the rotating speed set value and the rotating speed value of the diesel engine monitored by a rotating speed sensor, carrying out speed PID regulation calculation according to the rotating speed deviation, and taking the obtained speed regulating variable as a fuel control signal as an input calculation opening set value, and calculating the deviation between the given opening value and the opening value fed back by the actuator, and performing opening PID (proportion integration differentiation) adjustment, wherein an accelerator opening signal output by the opening PID adjustment drives the actuator to act so as to adjust the oil inlet quantity of the diesel engine.
7. The novel topological structure of the digital speed regulator according to claim 6, wherein the throttle opening signal, the diesel engine speed signal and the throttle opening feedback signal of the speed sensor are all connected with a dual-channel tracking through an isolation interface, the dual-channel tracking can also acquire power regulating variable data, and firstly, whether the throttle opening signal, the throttle opening feedback signal and the diesel engine speed signal are matched is compared, and if the signals are matched, the fact that the actuator and the diesel engine have no problem is indicated; and then the dual-channel tracking also tracks whether the rotating speed deviation, the fuel control signal and the opening deviation deviate more and more or deviate beyond a normal level in real time so as to judge whether the speed regulator module works normally.
8. The novel topology of a digital governor of claim 6, wherein the dual channel tracking control dual channel automatic switching module performs the switching of the speed governor module to the redundant speed governor module.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114647940A (en) * | 2022-03-25 | 2022-06-21 | 深圳中广核工程设计有限公司 | Simulation system and method for four-stroke turbocharging diesel generating set of nuclear power plant |
| CN115628141A (en) * | 2022-11-10 | 2023-01-20 | 上海昱章电气股份有限公司 | Speed control circuit and system for diesel generating set |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4658590A (en) * | 1984-12-28 | 1987-04-21 | Hitachi, Ltd. | Steam turbine governor system and method of controlling the same |
| CN201696147U (en) * | 2010-06-08 | 2011-01-05 | 郑州金阳电气有限公司 | Electronic speed regulator for diesel generator set |
| CN202348549U (en) * | 2011-11-29 | 2012-07-25 | 长江三峡能事达电气股份有限公司 | Intelligent water turbine microcomputer speed regulating system |
| CN107795393A (en) * | 2017-11-23 | 2018-03-13 | 安徽瑞赛克再生资源技术股份有限公司 | Gas-liquid-liquid three-phase flow governing system and method |
| CN207297225U (en) * | 2017-09-27 | 2018-05-01 | 天津市宇强科技开发有限公司 | A kind of power station digital governor intelligence control system |
| CN210799154U (en) * | 2019-11-11 | 2020-06-19 | 三菱重工业(上海)有限公司 | Speed regulation control device, diesel generator set and diesel generator set for communication equipment |
-
2021
- 2021-04-12 CN CN202110390524.6A patent/CN113431687B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4658590A (en) * | 1984-12-28 | 1987-04-21 | Hitachi, Ltd. | Steam turbine governor system and method of controlling the same |
| CN201696147U (en) * | 2010-06-08 | 2011-01-05 | 郑州金阳电气有限公司 | Electronic speed regulator for diesel generator set |
| CN202348549U (en) * | 2011-11-29 | 2012-07-25 | 长江三峡能事达电气股份有限公司 | Intelligent water turbine microcomputer speed regulating system |
| CN207297225U (en) * | 2017-09-27 | 2018-05-01 | 天津市宇强科技开发有限公司 | A kind of power station digital governor intelligence control system |
| CN107795393A (en) * | 2017-11-23 | 2018-03-13 | 安徽瑞赛克再生资源技术股份有限公司 | Gas-liquid-liquid three-phase flow governing system and method |
| CN210799154U (en) * | 2019-11-11 | 2020-06-19 | 三菱重工业(上海)有限公司 | Speed regulation control device, diesel generator set and diesel generator set for communication equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114647940A (en) * | 2022-03-25 | 2022-06-21 | 深圳中广核工程设计有限公司 | Simulation system and method for four-stroke turbocharging diesel generating set of nuclear power plant |
| CN115628141A (en) * | 2022-11-10 | 2023-01-20 | 上海昱章电气股份有限公司 | Speed control circuit and system for diesel generating set |
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