CN111126856B - Power consumption calculation method for centrifugal refrigerator and screw refrigerator in cooling season - Google Patents
Power consumption calculation method for centrifugal refrigerator and screw refrigerator in cooling season Download PDFInfo
- Publication number
- CN111126856B CN111126856B CN201911362639.3A CN201911362639A CN111126856B CN 111126856 B CN111126856 B CN 111126856B CN 201911362639 A CN201911362639 A CN 201911362639A CN 111126856 B CN111126856 B CN 111126856B
- Authority
- CN
- China
- Prior art keywords
- load
- power consumption
- refrigerator
- typical daily
- centrifugal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 238000004364 calculation method Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06315—Needs-based resource requirements planning or analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
Landscapes
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Engineering & Computer Science (AREA)
- Economics (AREA)
- Strategic Management (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Marketing (AREA)
- General Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- Tourism & Hospitality (AREA)
- Educational Administration (AREA)
- Quality & Reliability (AREA)
- Operations Research (AREA)
- Game Theory and Decision Science (AREA)
- Development Economics (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Health & Medical Sciences (AREA)
- Primary Health Care (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a method for calculating power consumption of a centrifugal refrigerator and a screw refrigerator in a cooling season. The power consumption calculated by the method is accurate, and the error between the power consumption calculated by the method and the actual power consumption is small, so that an accurate reference is provided for predicting the energy consumption of the cooling equipment.
Description
Technical Field
The invention relates to the field of power consumption calculation of centrifugal refrigerators and screw refrigerators in cooling seasons, in particular to a power consumption calculation method of centrifugal refrigerators and screw refrigerators in cooling seasons.
Background
The energy saving is an important component of the resource saving society, and the building operation energy consumption accounts for about one third of the commodity energy consumption of the whole society, and the power consumption of the host accounts for relatively large, so that the accurate prediction of the annual comprehensive energy consumption of the main equipment of the building energy supply system has great significance. The conventional cooling system usually adopts a centrifugal electric refrigerator and a screw machine for matching use, because the centrifugal machine has higher cooling performance coefficient when in full-load operation, but has poorer variable load rate adjusting function, and the screw machine has more stable performance in the variable load adjusting process and larger stepless adjusting range. However, in the conventional energy supply system, the conventional energy consumption calculation is generally performed between the highest performance coefficient and the lowest performance coefficient of the equipment according to the empirical value, so that the energy consumption prediction of the energy supply equipment has great deviation from the actual operation energy consumption, and the energy consumption budget error of the equipment operation cost is improved.
Disclosure of Invention
The invention provides a method for calculating power consumption of a centrifugal refrigerator and a screw refrigerator in a cooling season, aiming at the problem that the existing centrifugal refrigerator and screw refrigerator are inaccurate in power consumption calculation in the cooling season.
The invention adopts the following technical scheme:
the method for calculating the power consumption of the centrifugal refrigerator and the screw refrigerator in the cooling season comprises the following steps:
step 1: determining the number of days of 100% typical daily load in the cold supply season, the number of days of 75% typical daily load in the cold supply season, the number of days of 50% typical daily load in the cold supply season and the number of days of 25% typical daily load in the cold supply season;
step 2: calculating a time-by-time cooling load Q1i of one day in 100% of typical daily loads in a cooling season;
calculating the time-by-time cooling load Q2i of one day in 75% of typical daily load in cold season
Calculating the time-by-time cooling load Q3i of one day in 50% of typical daily load in cold season
Calculating the time-by-time cooling load Q4i of one day in 25% of typical daily load in cold season
i 1,2, & 24, representing 24 hours of the day;
step 3: calculating the power consumption of the centrifugal refrigerator and the screw refrigerator at the moment i according to the Q1i;
step 4: repeating the step 3 to calculate the daily power consumption of the centrifugal refrigerator and the screw refrigerator for 24 hours;
step 5: multiplying the daily power consumption calculated in the step 4 by the number of days of 100% of typical daily load in the cooling season, and calculating the power consumption under the condition of 100% of typical daily load;
step 6: repeating steps 3 to 5 with Q2i to calculate the power consumption under 75% of typical daily load;
repeating steps 3 to 5 with Q3i to calculate the power consumption under 50% of typical daily load;
repeating steps 3 to 5 with Q4i to calculate the power consumption under 25% of typical daily load;
step 7: the power consumption in the whole cooling season is obtained by adding the power consumption in the case of 100% of the typical daily load, the power consumption in the case of 75% of the typical daily load, the power consumption in the case of 50% of the typical daily load and the power consumption in the case of 25% of the typical daily load.
Preferably, step 3 specifically comprises the following sub-steps:
step 3.1: if Q1i is more than or equal to n W < 1+ > (m-k) W < 2 >, calculating the power consumption, otherwise, executing the step 3.2;
wherein, the initial value of k is 0, n represents the number of centrifugal refrigerators running at full load at moment i, m-k represents the number of screw refrigerators running at full load at moment i, W1 represents the rated cooling capacity of a centrifugal refrigerator, and W2 represents the rated cooling capacity of a screw refrigerator;
the load rates of the n centrifugal refrigerators are all 1, and the corresponding COP value is a;
the load rates of m-k screw refrigerators are 1, and the corresponding COP value is b;
then, the power consumption of n centrifugal refrigerators=n×w1/a; power consumption of m-k screw refrigerating machines= (m-k) W2/b;
at this time, the number of screw refrigerators at the partial load rate was 1, and the load rate of the screw refrigerator at the partial load rate was high
When (when)When (I)>Taking 1;
when (when)When (I)>Taking 0.75;
when (when)When (I)>Taking 0.5;
when (when)When (I)>Taking the weight of the mixture to be 0.25,
corresponds to different COP values x;
the power consumption of the screw refrigerator of the part load ratio=w2/x;
step 3.2: k=k+1, judging whether k is less than or equal to m, if yes, executing the step 3.1, and if not, executing the step 3.3;
step 3.3: if the Q1i is not less than (n-j) W1, performing power consumption calculation, otherwise, executing the step 3.4;
the initial value of j is 1, and n-j represents the number of full-load operation of the centrifugal refrigerator at moment i;
the load rates of n-j centrifugal refrigerators are all 1, and the corresponding COP value is a;
then, power consumption of n-j centrifugal refrigerators= (n-j) W1/a;
at this time, the number of centrifugal refrigerators at the partial load ratio is 1, and the load ratio ω= (Q1 i- (n-j) W1)/W1 of the centrifugal refrigerator at the partial load ratio;
when 0.75< omega is less than or equal to 1, omega is 1;
when 0.5< omega is less than or equal to 0.75, omega is 0.75;
when 0.25< omega is less than or equal to 0.5, omega is 0.5;
when 0< omega is less than or equal to 0.25, omega takes 0.25,
different values of ω correspond to different COP values y;
the power consumption of the screw refrigerator of the part load ratio=w1/y.
Step 3.4: j=j+1, judging whether j is less than or equal to n, if so, executing the step 3.3, and if not, ending the calculation.
The invention has the beneficial effects that:
the method and the device accurately calculate the power consumption of the centrifugal refrigerator and the screw refrigerator in the cold supply season by determining the number of the centrifugal refrigerator and the screw refrigerator which are started under different loads and the running load rate, then determining the coefficient of performance COP of the unit corresponding to the different load rates and combining the days corresponding to different typical daily loads.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The following description of the embodiments of the invention will be given with reference to the accompanying drawings and examples:
referring to fig. 1, the method for calculating the power consumption of the centrifugal refrigerator and the screw refrigerator in the cooling season comprises the following steps:
step 1: the number of days of 100% typical daily load in the cold season, the number of days of 75% typical daily load in the cold season, the number of days of 50% typical daily load in the cold season, and the number of days of 25% typical daily load in the cold season are determined.
The calculation of the number of days of the typical daily load is known in the art, and please refer to the patent of the invention of the application number 2017114824528, "a method for calculating the number of days of energy supply", which is not described herein.
Step 2: calculating a time-by-time cooling load Q1i of one day in 100% of typical daily loads in a cooling season;
calculating the time-by-time cooling load Q2i of one day in 75% of typical daily load in cold season
Calculating the time-by-time cooling load Q3i of one day in 50% of typical daily load in cold season
Calculating the time-by-time cooling load Q4i of one day in 25% of typical daily load in cold season
i 1,2,..24, representing 24 hours of the day.
For example, i=1 represents a period of 0 to 1 point in the day, i=2 represents a period of 1 to 2 point in the day, and so on.
Step 3: and calculating the power consumption of the centrifugal refrigerator and the screw refrigerator at the moment i according to the Q1 i.
The step 3 specifically comprises the following sub-steps:
step 3.1: if Q1i is more than or equal to n W < 1+ > (m-k) W < 2 >, calculating the power consumption, otherwise, executing the step 3.2;
wherein, the initial value of k is 0, n represents the number of centrifugal refrigerators running at full load at moment i, m-k represents the number of screw refrigerators running at full load at moment i, W1 represents the rated cooling capacity of a centrifugal refrigerator, and W2 represents the rated cooling capacity of a screw refrigerator;
the load rates of the n centrifugal refrigerators are all 1, and the corresponding COP value is a; COP is the energy efficiency ratio;
the load rates of m-k screw refrigerators are 1, and the corresponding COP value is b;
then, the power consumption of n centrifugal refrigerators=n×w1/a; power consumption of m-k screw refrigerating machines= (m-k) W2/b;
at this time, the number of screw refrigerators at the partial load rate was 1, and the load rate of the screw refrigerator at the partial load rate was high
Corresponds to different COP values x;
when (when)When (I)>Taking 1, and taking the corresponding COP value as x1, the power consumption=W2/x 1 of the screw refrigerator with the partial load rate;
when (when)When (I)>Taking 0.75 and the corresponding COP value as x2, the power consumption=W2/x 2 of the screw refrigerator with partial load rate;
when (when)When (I)>Taking 0.5; the corresponding COP value is x3, the power consumption of the screw refrigerator with partial load rate=w2/x 3;
when (when)When (I)>Taking 0.25, the corresponding COP value is x4, the power consumption of the screw refrigerator of the part load ratio=w2/x 5.
Step 3.2: k=k+1, judging whether k is less than or equal to m, if yes, executing the step 3.1, and if not, executing the step 3.3;
step 3.3: if the Q1i is not less than (n-j) W1, performing power consumption calculation, otherwise, executing the step 3.4;
the initial value of j is 1, and n-j represents the number of full-load operation of the centrifugal refrigerator at moment i;
the load rates of n-j centrifugal refrigerators are all 1, and the corresponding COP value is a;
then, power consumption of n-j centrifugal refrigerators= (n-j) W1/a;
at this time, the number of centrifugal refrigerators at the partial load ratio is 1, and the load ratio ω= (Q1 i- (n-j) W1)/W1 of the centrifugal refrigerator at the partial load ratio;
different values of ω correspond to different COP values y;
when ω is equal to or less than 0.75< ω is equal to or less than 1, ω is 1, and the corresponding COP value is y1, and the power consumption=w1/y 1 of the screw refrigerator with the partial load rate;
when 0.5< omega is less than or equal to 0.75, omega is 0.75; the corresponding COP value is y2, and the power consumption of the screw refrigerator with partial load rate=w1/y 2;
when 0.25< omega is less than or equal to 0.5, omega is 0.5; the corresponding COP value is y3, and the power consumption of the screw refrigerator with partial load rate=w1/y 3;
when 0< ω is equal to or less than 0.25, ω is 0.25, and the corresponding COP value is y4, the power consumption=w1/y 4 of the screw refrigerator with the partial load ratio.
Step 3.4: j=j+1, judging whether j is less than or equal to n, if so, executing the step 3.3, and if not, ending the calculation.
Step 4: and (3) repeating the step (3) to calculate the daily power consumption of the centrifugal refrigerator and the screw refrigerator for 24 hours.
Step 5: and (3) multiplying the daily power consumption calculated in the step (4) by the number of days of 100% of typical daily load in the cooling season to calculate the power consumption under the condition of 100% of typical daily load.
Step 6: repeating steps 3 to 5 with Q2i to calculate the power consumption under 75% of typical daily load;
repeating steps 3 to 5 with Q3i to calculate the power consumption under 50% of typical daily load;
the power consumption under 25% typical daily load was calculated by repeating steps 3 to 5 using Q4 i.
Step 7: the power consumption in the whole cooling season is obtained by adding the power consumption in the case of 100% of the typical daily load, the power consumption in the case of 75% of the typical daily load, the power consumption in the case of 50% of the typical daily load and the power consumption in the case of 25% of the typical daily load.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.
Claims (1)
1. The method for calculating the power consumption of the centrifugal refrigerator and the screw refrigerator in the cooling season is characterized by comprising the following steps of:
step 1: determining the number of days of 100% typical daily load in the cold supply season, the number of days of 75% typical daily load in the cold supply season, the number of days of 50% typical daily load in the cold supply season and the number of days of 25% typical daily load in the cold supply season;
step 2: calculating a time-by-time cooling load Q1i of one day in 100% of typical daily loads in a cooling season;
calculating the time-by-time cooling load Q2i of one day in 75% of typical daily load in cold season
Calculating the time-by-time cooling load Q3i of one day in 50% of typical daily load in cold season
Calculating the time-by-time cooling load Q4i of one day in 25% of typical daily load in cold season
i 1,2, & 24, representing 24 hours of the day;
step 3: calculating the power consumption of the centrifugal refrigerator and the screw refrigerator at the moment i according to the Q1i;
step 4: repeating the step 3 to calculate the daily power consumption of the centrifugal refrigerator and the screw refrigerator for 24 hours;
step 5: multiplying the daily power consumption calculated in the step 4 by the number of days of 100% of typical daily load in the cooling season, and calculating the power consumption under the condition of 100% of typical daily load;
step 6: repeating steps 3 to 5 with Q2i to calculate the power consumption under 75% of typical daily load;
repeating steps 3 to 5 with Q3i to calculate the power consumption under 50% of typical daily load;
repeating steps 3 to 5 with Q4i to calculate the power consumption under 25% of typical daily load;
step 7: the power consumption under the condition of 100% of typical daily load, the power consumption under the condition of 75% of typical daily load, the power consumption under the condition of 50% of typical daily load and the power consumption under the condition of 25% of typical daily load are added to obtain the power consumption of the whole cooling season;
the step 3 specifically comprises the following sub-steps:
step 3.1: if Q1i is more than or equal to n W < 1+ > (m-k) W < 2 >, calculating the power consumption, otherwise, executing the step 3.2;
wherein, the initial value of k is 0, n represents the number of centrifugal refrigerators running at full load at moment i, m-k represents the number of screw refrigerators running at full load at moment i, W1 represents the rated cooling capacity of a centrifugal refrigerator, and W2 represents the rated cooling capacity of a screw refrigerator;
the load rates of the n centrifugal refrigerators are all 1, and the corresponding COP value is a;
the load rates of m-k screw refrigerators are 1, and the corresponding COP value is b;
then, the power consumption of n centrifugal refrigerators=n×w1/a; power consumption of m-k screw refrigerating machines= (m-k) W2/b;
at this time, the number of screw refrigerators at the partial load rate was 1, and the load rate of the screw refrigerator at the partial load rate was high
When (when)When (I)>Taking 1;
when (when)When (I)>Taking 0.75;
when (when)When (I)>Taking 0.5;
when (when)When (I)>Taking the weight of the mixture to be 0.25,
corresponds to different COP values x;
the power consumption of the screw refrigerator of the part load ratio=w2/x;
step 3.2: k=k+1, judging whether k is less than or equal to m, if yes, executing the step 3.1, and if not, executing the step 3.3;
step 3.3: if the Q1i is not less than (n-j) W1, performing power consumption calculation, otherwise, executing the step 3.4;
the initial value of j is 1, and n-j represents the number of full-load operation of the centrifugal refrigerator at moment i;
the load rates of n-j centrifugal refrigerators are all 1, and the corresponding COP value is a;
then, power consumption of n-j centrifugal refrigerators= (n-j) W1/a;
at this time, the number of centrifugal refrigerators at the partial load ratio is 1, and the load ratio ω= (Q1 i- (n-j) W1)/W1 of the centrifugal refrigerator at the partial load ratio;
when 0.75< omega is less than or equal to 1, omega is 1;
when 0.5< omega is less than or equal to 0.75, omega is 0.75;
when 0.25< omega is less than or equal to 0.5, omega is 0.5;
when 0< omega is less than or equal to 0.25, omega takes 0.25,
different values of ω correspond to different COP values y;
the power consumption of the screw refrigerator of the partial load ratio=w1/y;
step 3.4: j=j+1, judging whether j is less than or equal to n, if so, executing the step 3.3, and if not, ending the calculation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911362639.3A CN111126856B (en) | 2019-12-26 | 2019-12-26 | Power consumption calculation method for centrifugal refrigerator and screw refrigerator in cooling season |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911362639.3A CN111126856B (en) | 2019-12-26 | 2019-12-26 | Power consumption calculation method for centrifugal refrigerator and screw refrigerator in cooling season |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111126856A CN111126856A (en) | 2020-05-08 |
| CN111126856B true CN111126856B (en) | 2023-08-29 |
Family
ID=70502669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911362639.3A Active CN111126856B (en) | 2019-12-26 | 2019-12-26 | Power consumption calculation method for centrifugal refrigerator and screw refrigerator in cooling season |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111126856B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106295145A (en) * | 2016-08-02 | 2017-01-04 | 新奥泛能网络科技股份有限公司 | A kind of pollutant discharge amount computational methods and electronic equipment |
| CN107590602A (en) * | 2017-09-11 | 2018-01-16 | 新奥泛能网络科技股份有限公司 | A kind of energy computation method in more equipment collaboration energy-provision way |
| CN108224548A (en) * | 2017-12-29 | 2018-06-29 | 新奥泛能网络科技股份有限公司 | A kind of energy supply day number calculating method |
| CN108224859A (en) * | 2017-12-18 | 2018-06-29 | 新奥泛能网络科技股份有限公司 | A kind of energy consumption predictor method of cold supply system |
| CN108416467A (en) * | 2018-02-06 | 2018-08-17 | 新奥泛能网络科技股份有限公司 | The prediction technique and device of load when more industry situation building energy supply beginning and ending time differences |
| CN108764574A (en) * | 2018-05-30 | 2018-11-06 | 新奥泛能网络科技有限公司 | public building load calculation method and system |
| CN109657974A (en) * | 2018-12-19 | 2019-04-19 | 上海发电设备成套设计研究院有限责任公司 | A kind of distributed energy project whole year the key technical indexes calculation method |
-
2019
- 2019-12-26 CN CN201911362639.3A patent/CN111126856B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106295145A (en) * | 2016-08-02 | 2017-01-04 | 新奥泛能网络科技股份有限公司 | A kind of pollutant discharge amount computational methods and electronic equipment |
| CN107590602A (en) * | 2017-09-11 | 2018-01-16 | 新奥泛能网络科技股份有限公司 | A kind of energy computation method in more equipment collaboration energy-provision way |
| CN108224859A (en) * | 2017-12-18 | 2018-06-29 | 新奥泛能网络科技股份有限公司 | A kind of energy consumption predictor method of cold supply system |
| CN108224548A (en) * | 2017-12-29 | 2018-06-29 | 新奥泛能网络科技股份有限公司 | A kind of energy supply day number calculating method |
| CN108416467A (en) * | 2018-02-06 | 2018-08-17 | 新奥泛能网络科技股份有限公司 | The prediction technique and device of load when more industry situation building energy supply beginning and ending time differences |
| CN108764574A (en) * | 2018-05-30 | 2018-11-06 | 新奥泛能网络科技有限公司 | public building load calculation method and system |
| CN109657974A (en) * | 2018-12-19 | 2019-04-19 | 上海发电设备成套设计研究院有限责任公司 | A kind of distributed energy project whole year the key technical indexes calculation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111126856A (en) | 2020-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9496725B2 (en) | Power control apparatus, method, program, and integrated circuit, and storage battery unit | |
| US10763027B2 (en) | Method to optimize operation of a transformer cooling system, the corresponding system and a method to determine the VFD capacity | |
| US20140164599A1 (en) | Workload dispatch device and workload dispatch method thereof | |
| CN107228453B (en) | Fixed-frequency air conditioner control method and fixed-frequency air conditioner | |
| CN101963149B (en) | Frequency conversion control method and device as well as refrigeration equipment with same | |
| JP2014180134A (en) | Power management system, and power management method | |
| CN113806938A (en) | Refrigeration machine room energy efficiency calculation method and device and electronic equipment | |
| Ferreira et al. | Technical and economic considerations on induction motor oversizing | |
| CN111126856B (en) | Power consumption calculation method for centrifugal refrigerator and screw refrigerator in cooling season | |
| CN108224859B (en) | Energy consumption estimation method of cooling system | |
| CN117267910B (en) | Method, device, equipment and medium for flexibly adjusting load of central air-conditioning refrigeration system | |
| CN102305450B (en) | Method for increasing seasonal energy efficiency ratio of air conditioner and frequency conversion control system | |
| CN108292558B (en) | For controlling the method and system of the cooling system of power equipment | |
| CN116989430B (en) | Energy-saving optimization control method and system for refrigerating station | |
| CN111969602B (en) | Day-ahead random optimization scheduling method and device for comprehensive energy system | |
| CN111780488B (en) | Compressor control method and device capable of effectively adjusting rotating speed and refrigeration equipment | |
| CN109711029B (en) | Method for measuring and calculating actual part load performance coefficient of water chilling unit in design stage | |
| CN114322209A (en) | Data processing method and device of ice storage air conditioning system and electronic equipment | |
| CN110943452B (en) | Method for optimizing and scheduling power system | |
| CN116202189A (en) | Control method and device of air conditioning unit and electronic equipment | |
| CN108110755B (en) | Household electricity combination method based on power prediction | |
| CN116316604B (en) | Active rescheduling damping lifting method based on local damping sensitivity | |
| CN116481150B (en) | Efficient air conditioner room system energy efficiency optimization control method based on end cloud cooperation | |
| CN109992828A (en) | A kind of cogeneration plant capacity collocation method and system | |
| CN116255722A (en) | Cold combination determination method, device, equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |