CN105021884A - Power utilization device standby power consumption calculation method - Google Patents

Abstract

The invention provides a power utilization device standby power consumption calculation method, and relates to the power grid energy management technology field. The power utilization device standby power consumption calculation method is aimed to lower resource waste. First, average power consumption of main device power consumption and auxiliary device power consumption at power utilization monitoring points is monitored in a main device standby working mode, average power consumption of only main device power consumption at power utilization monitoring points is monitored in a main device minimum working mode, average power consumption of main device power consumption and auxiliary device power consumption at power utilization monitoring points is monitored in a main device maximum working mode, and then a power curve of the power utilization monitoring point of the main device is calculated according to the average power consumption monitored in each mode. The provided method is suitable for power grid energy management.

Description

Consumer stand-by power consumption computing method

Technical field

The present invention relates to electrical network energy management technology, particularly relate to a kind of technology of consumer stand-by power consumption computing method.

Background technology

Along with the construction of intelligent power service system, the intelligent power services such as centralized automatic meter-reading, payment and sale of electricity, electric automobile discharge and recharge, distributed power supply management, demand response, efficiency evaluation and test emerge in multitude, in the urgent need to reliable, real-time, safe power consumer end power information data supporting.

In industrial electricity apparatus, work as device start, when no matter whether producing, all may there is stand-by power consumption, usual consumer comprises major equipment and utility appliance, its power information data are all included into a monitoring point, and at major equipment operation, utility appliance might not be opened, or major equipment work but do not carry out is produced, and (such as lathe starts, idle running, undressed part), the now electricity consumption of utility appliance, major equipment is stand-by power consumption; When major equipment work and when carrying out activity in production (such as lathe starts, positive processing parts), owing to there is bad consumption habit, also may there is unnecessary stand-by power consumption.Also lack effective ways consumer stand-by power consumption being carried out to detection computations at present, thus cause the wasting of resources.

Summary of the invention

For the defect existed in above-mentioned prior art, technical matters to be solved by this invention is to provide one can reduce the wasting of resources, saves the consumer stand-by power consumption computing method of the energy.

In order to solve the problems of the technologies described above, a kind of consumer stand-by power consumption computing method provided by the present invention, it is characterized in that, concrete steps are as follows:

1) under the standy operation mode of equipment T, the average power consumption of power monitoring point belonging to monitoring equipment T at least 1 hour, thus obtain power monitoring point belonging to equipment T and comprise the average power consumption P0 of equipment T power consumption and equipment F power consumption;

Wherein, equipment T refers to be needed to calculate the target consumer of stand-by power consumption, and equipment F refers to and is in identical power monitoring point with equipment T, and all devices for utility appliance T of the nonessential unlatching when equipment T works;

Wherein, the standy operation mode of equipment T refers to that equipment T is in and opens but do not carry out activity in production state and equipment F is in running status;

2) under the minimum mode of operation of equipment T, the average power consumption of power monitoring point belonging to monitoring equipment T at least 1 hour, thus obtain power monitoring point belonging to equipment T and only comprise the average power consumption P1 of equipment T power consumption;

Wherein, the minimum mode of operation of equipment T refers to that equipment T is in activity in production state and equipment F is in shut down condition;

3) under the maximum functional pattern of equipment T, the average power consumption of power monitoring point belonging to monitoring equipment T at least 1 hour, thus obtain power monitoring point belonging to equipment T and comprise the average power consumption P2 of equipment T power consumption and equipment F power consumption;

Wherein, the maximum functional pattern of equipment T refers to that equipment T is in activity in production state and equipment F is in running status;

4) powertrace of power monitoring point belonging to P0, P1, P2 value computing equipment T, specific formula for calculation is:

$Ploss=\underset{t=0}{\overset{tn}{\∫}}p\left(t\right)dt$

If pa (t) >=P2, then p (t)=pa (t)-P2;

If P1<P0 or P1=P0, and P2 >=pa (t) >=P0, then p (t)=pa (t)-P1;

If P1<P0 or P1=P0, and P0 >=pa (t) >=P1, then p (t)=pa (t)-(P1+P0)/2;

If P1<P0 or P1=P0, and pa (t) < P1, then p (t)=pa (t);

If P1>P0, and P2 >=pa (t) >=P1, then p (t)=pa (t)-(P1+P0)/2;

If P1>P0, and P1 >=pa (t) >=P0, then p (t)=P0;

If P1>P0, and pa (t) < P0, then p (t)=pa (t);

Wherein, Ploss belonging to equipment T power monitoring point [0, tn] the stand-by power consumption value of time period, the stand-by power consumption value section computing time stop of tn power monitoring point belonging to equipment T, pa (t) belonging to equipment T power monitoring point in the electric power value of t, p (t) belonging to equipment T power monitoring point in the standby power value of t.

Consumer stand-by power consumption computing method provided by the invention, from standby mode, minimum mode of operation, maximum functional pattern, according to the powertrace of work, from the electric power curve of equipment, the stand-by power consumption of equipment is quantitatively calculated, the stand-by power consumption in major equipment electric process can be accurately calculated, the management and control of user to energy resource system can be strengthened, reduce the wasting of resources, save the energy.

Accompanying drawing explanation

Fig. 1 is the process flow diagram of the consumer stand-by power consumption computing method of the embodiment of the present invention.

Embodiment

Illustrate below in conjunction with accompanying drawing and embodiments of the invention are described in further detail; but the present embodiment is not limited to the present invention; every employing analog structure of the present invention and similar change thereof, all should list protection scope of the present invention in, the pause mark in the present invention all represent and relation.

As shown in Figure 1, a kind of consumer stand-by power consumption computing method that the embodiment of the present invention provides, it is characterized in that, concrete steps are as follows:

1) under the standy operation mode of equipment T, the average power consumption of power monitoring point belonging to monitoring equipment T at least 1 hour, thus obtain power monitoring point belonging to equipment T and comprise the average power consumption P0 of equipment T power consumption and equipment F power consumption;

Wherein, equipment T refers to be needed to calculate the target consumer of stand-by power consumption, and equipment F refers to and is in identical power monitoring point with equipment T, and all devices for utility appliance T of the nonessential unlatching when equipment T works;

Wherein, the standy operation mode of equipment T refers to that equipment T is in and opens but do not carry out activity in production state and equipment F is in running status;

2) under the minimum mode of operation of equipment T, the average power consumption of power monitoring point belonging to monitoring equipment T at least 1 hour, thus obtain power monitoring point belonging to equipment T and only comprise the average power consumption P1 of equipment T power consumption;

Wherein, the minimum mode of operation of equipment T refers to that equipment T is in activity in production state and equipment F is in shut down condition;

3) under the maximum functional pattern of equipment T, the average power consumption of power monitoring point belonging to monitoring equipment T at least 1 hour, thus obtain power monitoring point belonging to equipment T and comprise the average power consumption P2 of equipment T power consumption and equipment F power consumption;

Wherein, the maximum functional pattern of equipment T refers to that equipment T is in activity in production state and equipment F is in running status;

4) powertrace of power monitoring point belonging to P0, P1, P2 value computing equipment T, specific formula for calculation is:

$Ploss=\underset{t=0}{\overset{tn}{\&Integral;}}p\left(t\right)dt$

If pa (t) >=P2, then p (t)=pa (t)-P2;

If P1<P0 or P1=P0, and P2 >=pa (t) >=P0, then p (t)=pa (t)-P1;

If P1<P0 or P1=P0, and P0 >=pa (t) >=P1, then p (t)=pa (t)-(P1+P0)/2;

If P1<P0 or P1=P0, and pa (t) < P1, then p (t)=pa (t);

If P1>P0, and P2 >=pa (t) >=P1, then p (t)=pa (t)-(P1+P0)/2;

If P1>P0, and P1 >=pa (t) >=P0, then p (t)=P0;

If P1>P0, and pa (t) < P0, then p (t)=pa (t);

Wherein, Ploss belonging to equipment T power monitoring point [0, tn] the stand-by power consumption value of time period, the stand-by power consumption value section computing time stop of tn power monitoring point belonging to equipment T, pa (t) belonging to equipment T power monitoring point in the electric power value of t, p (t) belonging to equipment T power monitoring point in the standby power value of t.

Claims (1)

1. consumer stand-by power consumption computing method, is characterized in that, concrete steps are as follows:

1) under the standy operation mode of equipment T, the average power consumption of power monitoring point belonging to monitoring equipment T at least 1 hour, thus obtain power monitoring point belonging to equipment T and comprise the average power consumption P 0 of equipment T power consumption and equipment F power consumption;

Wherein, equipment T refers to be needed to calculate the target consumer of stand-by power consumption, and equipment F refers to and is in identical power monitoring point with equipment T, and all devices for utility appliance T of the nonessential unlatching when equipment T works;

Wherein, the standy operation mode of equipment T refers to that equipment T is in and opens but do not carry out activity in production state and equipment F is in running status;

2) under the minimum mode of operation of equipment T, the average power consumption of power monitoring point belonging to monitoring equipment T at least 1 hour, thus obtain power monitoring point belonging to equipment T and only comprise the average power consumption P1 of equipment T power consumption;

Wherein, the minimum mode of operation of equipment T refers to that equipment T is in activity in production state and equipment F is in shut down condition;

3) under the maximum functional pattern of equipment T, the average power consumption of power monitoring point belonging to monitoring equipment T at least 1 hour, thus obtain power monitoring point belonging to equipment T and comprise the average power consumption P2 of equipment T power consumption and equipment F power consumption;

Wherein, the maximum functional pattern of equipment T refers to that equipment T is in activity in production state and equipment F is in running status;

4) powertrace of power monitoring point belonging to P0, P1, P2 value computing equipment T, specific formula for calculation is:

If pa (t) >=P2, then p (t)=pa (t)-P2;

If P1<P0 or P1=P0, and P2 >=pa (t) >=P0, then p (t)=pa (t)-P1;

If P1<P0 or P1=P0, and P0 >=pa (t) >=P1, then p (t)=pa (t)-(P1+P0)/2;

If P1<P0 or P1=P0, and pa (t) < P1, then p (t)=pa (t);

If P1>P0, and P2 >=pa (t) >=P1, then p (t)=pa (t)-(P1+P0)/2;

If P1>P0, and P1 >=pa (t) >=P0, then p (t)=P0;

If P1>P0, and pa (t) < P0, then p (t)=pa (t);

Wherein, Ploss belonging to equipment T power monitoring point [0, tn] the stand-by power consumption value of time period, the stand-by power consumption value section computing time stop of tn power monitoring point belonging to equipment T, pa (t) belonging to equipment T power monitoring point in the electric power value of t, p (t) belonging to equipment T power monitoring point in the standby power value of t.