CN-122026330-A - Method, system, equipment and medium for estimating electrical load of electrical equipment of nuclear power plant

Abstract

The invention provides a method, a system, equipment and a medium for estimating the electrical load of electrical equipment of a nuclear power plant, wherein the estimating method comprises the steps of obtaining all modules in the electrical equipment; the method comprises the steps of obtaining the idle power and the full power of each module, calculating the module power consumption load of each module according to the idle power, the full power and the preset simultaneous coefficient, counting the module power consumption loads of all modules, and calculating the estimated power consumption load of the electrical equipment. The invention can greatly reduce the design cost of the uninterrupted power supply under the condition of meeting the actual power load of the electrical equipment.

Inventors

• HE SHAN
• LI GANG
• HUANG YONGCHENG
• HUI ZHIGUANG
• ZHANG YU
• YUAN CHAO
• DING DING
• CHEN DONGLEI
• CHEN JIE
• ZHANG CHUNLEI

Assignees

• 中广核工程有限公司
• 中国广核电力股份有限公司
• 中广核数字科技有限公司

Dates

Publication Date

20260512

Application Date

20260203

Claims (10)

1. 1. A method for estimating an electrical load for an electrical device in a nuclear power plant, comprising: acquiring all modules in the electrical equipment; Acquiring the no-load power and full-load power of each module, and calculating the module electricity load of each module according to the no-load power, the full-load power and a preset simultaneous coefficient; And counting the module electricity loads of all the modules, and calculating the estimated electricity loads of the electrical equipment.
2. 2. The method for estimating an electrical load for an electrical plant according to claim 1, wherein said step of obtaining the no-load power and the full-load power of each module comprises: classifying all modules; and searching the no-load power and the full-load power corresponding to the type of module according to the types.
3. 3. Method for estimating the electrical load for an electrical plant according to claim 1 or 2, characterized in that said idle power and said full power are obtained by: and respectively measuring the actual power in the empty load state and the full load state in the power supply loop where the corresponding module is positioned, thereby obtaining the corresponding empty load power and full load power.
4. 4. The method for estimating an electrical load of an electrical plant according to claim 1, wherein the simultaneous coefficients are preset according to the empty power and the full power of the corresponding modules.
5. 5. The method for estimating an electrical load for an electrical plant according to claim 1, wherein the co-factor is obtained according to the following method: Acquiring the operation time length of each module under no-load power and the operation time length under full-load power in a preset time period, and adding the operation time length of each module under no-load power and the operation time length under full-load power to obtain a corresponding total operation time length; and calculating the ratio of the operation time length of each module under the full-load power to the total operation time length to obtain the corresponding simultaneous coefficient.
6. 6. The method for estimating an electrical load for an electrical plant according to claim 1 or 2, wherein the electrical load for each module is: module power consumption load= [ no-load power+ (full-load power-no-load power) While coefficients ].
7. 7. The method for estimating an electrical load for an electrical device in a nuclear power plant according to claim 6, wherein the step of calculating the estimated electrical load for the electrical device by counting the module electrical loads of all the modules includes: Counting the class module electricity loads of all the same type modules according to the class; And summarizing the electricity loads of all the category modules to be used as the estimated electricity loads.
8. 8. A system for estimating an electrical load for an electrical device in a nuclear power plant, comprising: An acquisition unit configured to acquire all modules in the electrical apparatus; The module load calculation unit is used for obtaining the no-load power and full-load power of each module and calculating the module power consumption load of each module according to the no-load power, the full-load power and a preset simultaneous coefficient; And the equipment load calculation unit is used for counting the module power loads of all the modules and calculating the estimated power load of the electrical equipment.
9. 9. An electronic device, the electronic device comprising: one or more processors; Storage means for storing one or more programs which, when executed by the one or more processors, cause the electronic device to implement a method of estimating electrical load for an electrical plant according to any one of claims 1 to 6.
10. 10. A computer-readable storage medium, having stored thereon a computer program which, when executed by a processor of a computer, causes the computer to perform a method of estimating an electrical load for an electrical plant of a nuclear power plant according to any one of claims 1 to 6.

Description

Method, system, equipment and medium for estimating electrical load of electrical equipment of nuclear power plant Technical Field The invention relates to the technical field of nuclear power, in particular to a method, a system, equipment and a medium for estimating the electrical load of electrical equipment of a nuclear power plant. Background In a nuclear power plant, electrical equipment is the primary consumer of an uninterruptible power supply (UPS, uninterruptible Power Supply) system. Therefore, in the primary design stage of the nuclear power plant, the electric load of the electric equipment needs to be estimated, and the uninterruptible power supply is designed according to the estimated electric load. The power consumption load of the existing electrical equipment is a theoretical power consumption load calculated according to rated power of all modules in the electrical equipment, and effective pre-estimation standards and bases are lacked. The deviation between the actual power consumption load and the theoretical power consumption load of the electrical equipment is larger, for example, the actual power consumption load of a large amount of electrical equipment is far smaller than the theoretical power consumption load calculated by rated power, and if the uninterruptible power supply is designed based on the theoretical power consumption load, the design cost of the uninterruptible power supply is greatly increased. Therefore, there is a need for improvement. Disclosure of Invention The invention provides a method, a system, equipment and a medium for estimating the electrical load of electrical equipment in a nuclear power plant, which are used for solving the technical problem that the design cost of an uninterruptible power supply of the electrical equipment is too high in the prior art. The invention provides a method for estimating the electrical load of electrical equipment in a nuclear power plant, which comprises the following steps: acquiring all modules in the electrical equipment; Acquiring the no-load power and full-load power of each module, and calculating the module electricity load of each module according to the no-load power, the full-load power and a preset simultaneous coefficient; And counting the module electricity loads of all the modules, and calculating the estimated electricity loads of the electrical equipment. In one embodiment of the present invention, the step of obtaining the idle power and the full power of each module includes: classifying all modules; and searching the no-load power and the full-load power corresponding to the type of module according to the types. In one embodiment of the invention, the idle power and the full power are obtained by: and respectively measuring the actual power in the empty load state and the full load state in the power supply loop where the corresponding module is positioned, thereby obtaining the corresponding empty load power and full load power. In one embodiment of the present invention, the simultaneous coefficients are preset according to the idle power and the full power of the corresponding modules. In one embodiment of the invention, the co-factor is obtained in the following way: Acquiring the operation time length of each module under no-load power and the operation time length under full-load power in a preset time period, and adding the operation time length of each module under no-load power and the operation time length under full-load power to obtain a corresponding total operation time length; and calculating the ratio of the operation time length of each module under the full-load power to the total operation time length to obtain the corresponding simultaneous coefficient. In one embodiment of the invention, the module electrical load of each module is: module power consumption load= [ no-load power+ (full-load power-no-load power) While coefficients ]. In one embodiment of the present invention, the step of calculating the estimated power load of the electrical device includes: Counting the class module electricity loads of all the same type modules according to the class; And summarizing the electricity loads of all the category modules to be used as the estimated electricity loads. The invention also provides a system for estimating the electrical load of the electrical equipment of the nuclear power plant, which comprises the following steps: An acquisition unit configured to acquire all modules in the electrical apparatus; The module load calculation unit is used for obtaining the no-load power and full-load power of each module and calculating the module power consumption load of each module according to the no-load power, the full-load power and a preset simultaneous coefficient; And the equipment load calculation unit is used for counting the module power loads of all the modules and calculating the estimated power load of the electrical equipment. The invention also proposes an electronic devic