JP2003199255A - Simultaneity and commensuration monitoring control device for consigned power - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To match the power consumption of a customer with a value obtained by correcting the amount of power received from a generator set with a power loss rate, and thereby minimize the fuel cost required for the operation of the generator set or the expenses for buying electric power from a power generation operator. <P>SOLUTION: A simultaneity and commensuration monitoring control device 25 for consigned power is so designed that electric power from a generator set linked with a power system is connecting-supplied or transferring-supplied to equipment at one or more customers, utilizing equipment for distributing electricity of an electric power company. The simultaneity and commensuration monitoring control device 25 comprises a simultaneity and commensuration control command value generating means 30 which computes a power generation command value 29 for each generator set unit in each zone from a generator set received power measurement value 26, a customer supplied power measurement value 27, and equipment data 28; and a generator set monitoring screen image generating means 32 which generates a generator set monitoring screen image 31 from the generator set received power measurement value 27, the generation output command value 29 for each generator set unit, and the equipment data 28. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention achieves simultaneous supply of the same amount of consigned electric power required when an electric power company of a specific scale uses electric power transmission lines to transfer electric power from power generation equipment to customers. The present invention relates to a monitoring and controlling apparatus for performing the same, and more particularly, to a simultaneous and equal amount monitoring and controlling apparatus for consigned electric power that can perform the same amount of consigned electric power simultaneously by connection supply or transfer supply.

[0002]

2. Description of the Related Art In conventional power transmission such as self-consignment of generated power, scheduled operation is mainly performed, and the amount of power received by a power grid from a power generation facility depends on the power consumption of a customer, which changes from moment to moment. There is no supervisory control device that performs the same amount control of the transmission power at the same time such that the value corrected by the power loss rate is matched for a predetermined time, for example, every 30 minutes.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-mentioned circumstances, and the power consumption of consumers and
By matching the amount of power received from the power generation facility to the power grid with the value adjusted by the power loss rate, the fuel cost for operating the power generation facility or the power purchase cost from the power generation operator can be minimized, and the simultaneous transfer of power can be performed simultaneously. It is an object of the present invention to provide a simultaneous transmission power monitoring and control device capable of controlling and monitoring the same amount.

Another object of the present invention is to simultaneously and accurately control the simultaneous transmission of electric power by accurately and easily transmitting to a human system whether or not the simultaneous transmission of electric power is controlled at the same time. It is to provide a quantity monitoring control device.

[0005]

In order to solve the above-mentioned problems, a simultaneous transmission power equalization monitoring and control device according to the present invention is connected to a power system as described in claim 1. Or a plurality of power generating facilities, the power transmission facilities of one or more electric power companies are used to connect and transfer the electric power to one or more consumer facilities, and the monitoring control device of the consigned power supply is provided, wherein For each zone, from the measured value of the received power received by the power system from the power generation facility, the measured value of the supply power supplied to the one or more customer facilities, and the facility data for each power generation facility or customer facility Simultaneous same-quantity control command value creation means for calculating the power generation output command value for each power generation facility, the received power measurement value of the power generation facility, the power generation output command value for each power generation facility unit, and facility data in which the generator name is stored. Generated from It is obtained by a power generation facility monitoring screen creating means for creating a 備監 viewing screen.

Further, in order to solve the above-mentioned problems, in the simultaneous transmission power monitoring and control device according to the present invention, as described in claim 2, the facility data is a threshold value indicating an abnormality for each generator. From the received power measurement value of the power generation equipment and the power output command value for each power generation equipment unit and the threshold of equipment data,
It further comprises a power generation command value monitoring means for notifying the alarm generator when there is a difference in threshold abnormality between the received power measurement value and the power generation output command value.

Further, in order to solve the above-mentioned problems,
As described in claim 3, the simultaneous transmission power simultaneous monitoring control device according to the present invention has the facility data having a zone name, and the received power amount for each power generation facility and the supplied power amount for each customer are 0. Minutes to 30 minutes, 30 minutes to 60 minutes, 30 minutes to 60 minutes, and the like, and converted to electric energy for a predetermined period of time in the zone to generate the received electric energy for each zone and the supplied electric energy for each zone. The system further comprises zone-by-zone monitoring screen creating means for creating a zone-by-zone monitoring screen from the amount of supplied power, the amount of received power by zone, and the facility data in which the zone name is stored.

Further, in order to solve the above-mentioned problems, the simultaneous same amount monitoring control device of the transmission power according to the present invention is
As described in claim 4, the zone-by-zone supply power amount and the zone-by-zone power reception amount are received, and the zone-by-zone power source amount and the zone-by-zone power receiving amount are apart from each other by a rate equal to or more than the violation of the simultaneous equal amount constraint. In this case, the apparatus further comprises a zone power amount monitoring means for notifying the alarm generator, and further, as described in claim 5, the zone received power amount and the zone supplied power amount every 30 minutes. Such as zone-by-zone power consumption record data and zone-by-zone power consumption record data that records and saves in each zone, and the above-mentioned zone-by-zone power consumption record data and zone-by-zone power consumption record data And a zone-by-zone recording screen creating means for editing in order to display on the zone-by-zone recording screen.

Further, in order to solve the above-mentioned problems, the simultaneous same amount monitoring control device for consigned electric power according to the present invention has, as described in claim 6, the equipment data having zone name data, and the power generation equipment. Forecast power for each zone and predicted power for each zone by predicting the required amount of power for each positive 30 minutes, etc. corresponding to the current time Quantity creating means, zone-by-zone monitoring screen creating means for creating a zone-by-zone monitoring screen from the zone-by-zone predicted power supply amount, zone-by-zone predicted received power amount, and facility data in which zone names are stored; When the predicted power supply amount for each zone and the predicted power reception amount for each zone are more than the ratio that violates the same amount constraint, the alarm generator is notified from the supplied power amount and the predicted power reception amount for each zone. Cormorant is obtained current further comprises a power amount monitoring means.

Further, in order to solve the above-mentioned problems,
A recording medium according to the present invention, as described in claim 7,
A processing program of a unit constituting the simultaneous transmission power equal amount monitoring control device according to any one of claims 1 to 6 is recorded, or a unit constituting the transmission power equivalence monitoring device is combined. The processing program is recorded.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a simultaneous and same amount monitoring and controlling apparatus for consigned electric power according to the present invention will be described with reference to the accompanying drawings.

FIG. 1 is an explanatory view schematically showing the structure of electric power transmission using the simultaneous electric power transmission equal amount monitoring and controlling apparatus according to the present invention.

In FIG. 1, reference numeral 10 indicates an electric power system spanning a plurality of, for example, three electric power companies, A, B, and C, over one or a plurality of zones. An example is shown in which the power transmission facility 11b and the C-zone power transmission facility 11c are connected to each other by intercompany communication lines 12, 12.

[0014] plurality of the transmission facilities 11a of the A zone, for example, _G 1 ~G ₃ of three power plant _13a 1, _13a 2, 1
3a ₃ and the customer facility 14a are connected, and each of the power generation facilities 13a ₁ , 13a ₂ , 13a ₃ is connected to the control device 15.
Operation or operation is controlled by a ₁ , 15a ₂ , and 15a ₃ .

[0015] Also transmission facilities 11b of zone B, a plurality, for example, _G 4 ~G ₅ power plant _13b 1 of 2 places, 13b ₂ and the consumer equipment 14b and are connected, the controller 15b
₁ and 15b ₂ control the operation or operation of each power generation facility 13b ₁ and 13b ₂ . C zone power transmission facility 11
Similarly, c also has a G ₆ power generation facility 13c and a customer facility 14c, and the controller 15c controls the operation or operation of the power generation facility 13c.

In addition, each power generation facility 13 (13a ₁ , 13a)
₂ , 13a ₃ ; 13b ₁ , 13b ₂ ; 13c) and each of the power transmission facilities 11 (11a, 11b, 11c) of the electric power company, the measuring device 17 (1 for measuring the received power from the power generation facility).
7a ₁ , 17a ₂ , 17a ₃ ; 17b ₁ , 17b ₂ ; 1
7c) are provided respectively. Further, between each power transmission facility 11 (11a, 11b, 11c) of the power company and the customer facility 14 (14a; 14b; 14c), a measuring instrument 18 (18a, 18) for measuring the power supplied to the customer facility.
b, 18c) are provided respectively.

Measuring device 17 for received power (17a ₁ , 17a)
₂ , 17a ₃ ; 17b ₁ , 17b ₂ ; 17c) and the measured values of the supply power measuring device 18 (18a, 18b, 18c) are sent to the central delivery management device 21 via a communication network 20 such as the Internet or an intranet. It is like this. The central consignment management device 21 issues a power generation output command for 13 units of power generation equipment for each zone A, B, and C based on the measured values of the received power and the supplied power from the received power measuring device 17 and the supplied power measuring device 18. The value is calculated, and the control device 15 of the power generation facility 13 via the communication network 20.
(15a ₁ , 15a ₂ , 15a ₃ ; 15b ₁ , 15
b ₂ ; 15c) is sent to the power generation facility 13 (13a) based on the command value set by each controller 15.
₁ , 13a ₂ , 13a ₃ ; 13b ₁ , 13b ₂ ; 13
It controls the output of c).

In FIG. 1, the A zone by three electric power companies
Power system 10 across G, B, or C zones
₁~ G₆6 power generation facilities 13 (13a₁, 13a_Two，
13a _Three13b₁, 13b_Two; 13c) is provided
And the power generated by each power generation facility 13 is three power groups.
Use company's power transmission equipment 11 (11a, 11b, 11c)
And each customer L₁, L_Two, L_ThreeThree consumer facilities 14
(14a, 14b, 14c) connection supply or transfer
3 shows an example of a consignment of power supplied by a supply. Electricity
The company's power transmission facilities 11a, 11b, 11c are interconnection lines between companies.
Connected by 12 and 12, enabling transfer of electric power
Has become.

Specifically, FIG. 1 shows a customer L in the A zone.
_{No. 1} equipment 14a includes power generation equipment 13a _{1 in the} same A zone.
The electric power is supplied from the electric power generation facility 13a ₃ of the A zone and the electric power supply connection of the electric power generation facility 13b _{1 of the} B zone is supplied to the facility 14b of the customer L _{2 in} the B zone. Further, an example of receiving the power transfer supply from the power generation equipment 13a _{2 in} the A zone and the power connection supply from the power generation equipment 13c in the C zone is shown for the equipment of the customer L _{3 in} the C zone.

In retail consignment of electric power, the amount of electric power supplied to these customers L ₁ , L ₂ and L ₃ is supplied to the customers L ₁ , L ₂ and L ₃ respectively.
₁ , 13a ₂ , 13a ₃ ; 13b ₁ , 13b ₂ ; 13
It is necessary to adjust the total value of the received power amount in c) so as to match the predetermined value, for example, every 30 minutes in consideration of the power loss rate. The present invention provides a simultaneous transmission power equal amount monitoring control device that monitors the match between the supplied power amount and the received power amount in consideration of the power loss rate.

In FIG. 1, the customers L ₁ , L ₂ and L ₃ in the A, B and C zones are respectively located at one location. However, when there are a plurality of customers, the total power supplied by the plurality of customers is the total. Should be replaced with the power supplied by one consumer.

(First Embodiment) FIG. 2 is a block diagram showing a first embodiment of the simultaneous same amount monitoring and controlling apparatus for consigned electric power according to the present invention.

The same amount monitoring and control device 25 for the simultaneous transmission power
Is the actual power supply data 26 indicating the supply power of the customers L ₁ , L ₂ , and L ₃ related to the consignment, and the power generation facility 13 related to the consignment.
The received power performance data 27, and the maximum output / minimum output, output change speed, cost curve, name, etc. of each power generation facility 13 and consumers L ₁ , L ₂ , L ₃ , A, B, C zones are stored. Existing equipment data 28, and these supplied power actual data 26, received power actual data 27 and equipment data 28
And a power generation output command value 29 for calculating the power generation output command value 29 of each power generation facility 13 from the simultaneous same amount control command value creating means 30.
Is composed of a power generation equipment monitoring screen creating means 32 for creating screen data for the power generation equipment monitoring screen 31 from the actual value.

The actual power supply data 26 is measured by the measuring instrument 18 (1
8a, 18b, 18c) is the data based on the measured value of the power supplied, and the received power actual data 27 is the measuring instrument 17
(17a ₁ , 17a ₂ , 17a ₃ ; 17b ₁ , 17
b ₂ ; data based on the measured value of the received power from 17 c). The measured value of the supplied power is the value of the power supplied to one or more customer facilities 14, and the measured value of the received power is
It is an electric power value that the electric power system 10 receives from one or a plurality of power generation facilities 13. The simultaneous equal amount control command creating means 30 and the power generation equipment monitoring screen creating means 32 constitute a central delivery management device or a central delivery processing device 21.

Further, the power generation output command value 29 is the power generation facility 1
3 is transmitted to the control device 15 and the power generation equipment control device 15 is transmitted.
Therefore, the output of the power generation equipment 13 is the power generation output command value 2
It is controlled so as to coincide with 9.

The simultaneous and equal amount control command value creating means 30 of the simultaneous and equal amount monitoring control device 25 of the transmission power has a zone control deviation calculating means 35 for calculating the control deviation for each zone and a power generation for each zone from the zone control deviation. A zone power generation adjustment amount calculation means 36 for calculating an output adjustment amount, and a power generation adjustment amount distribution means 37 for distributing the zone power generation adjustment amount to each power generation facility 13 from the zone power generation adjustment amount and the equipment data 28 of the power generation facility 13. , The amount of power generation adjustment distributed to each power generation facility 13,
From the received power record data 27 of the power generation facility 13, the power generation facility 1
A power generation command value calculation means 38 for calculating the power generation output command value 29 for each of the three is provided.

FIG. 4 is a flow chart showing the operation processing of the simultaneous equal amount control command value creating means 30 by the simultaneous identical amount control command controller 25 of the transmission power of FIGS. 2 and 3. Each means 35 to constitute the means 30
38 corresponds to steps S11 to S14, respectively.

The power generation output command operation process of the simultaneous and same amount control command value creating means 30 for the transmission power of FIGS. 2 and 3 will be described with reference to the flowchart of FIG.

In step S11, the zone control deviation calculation means 35 calculates the control deviation for each zone according to the following equation.

[0030]

[Equation 1]

Alternatively, the control deviation for each zone may be calculated by the following equation.

[0032]

[Equation 2]

Further, the calculated control deviation E for each zone
_{When k} is smaller than a predetermined value, E _k = 0
The following calculation may be performed.

Next, in step S12, the zone power generation adjustment amount calculating means 36 calculates the power generation adjustment amount for each zone from the zone control deviation E _k according to the following equation.

[0035]

[Equation 3]

Here, considering the case where the control parameter T _k → ∞, the power generation adjustment amount ΔZP _k in the zone k may be calculated by the following equation.

[0037]

[Equation 4]

Further, the integration interval of the equation (2) may be calculated at a predetermined time interval such as 30 minutes in the past.

Step S13 is a power generation adjustment amount distribution means 3
7, the zone power generation adjustment amount is distributed to the power generation adjustment amount ΔP _j of the power generation equipment 13 belonging to the zone according to the following equation.

[0040]

[Equation 5]

That is,

[Equation 6]

[0042]

[Equation 7]

[0043]

[Equation 8]

Further, when the power transfer supply is present, the zone control deviation may be calculated by correcting the control deviation for each zone in the equation (1) or (1a) in step S11 by the following equation. .

[0045]

[Equation 9]

[0046]

[Equation 10]

Further, in the case of always receiving a backup from the electric power company, it is judged whether or not the demand record data of the zone to be constantly backed up from the electric power company exceeds the contracted power of the backup electric power, and if it exceeds. Is
The zone control deviation may be calculated by correcting the control deviation for each zone in the expression (1) or the expression (1a) in step S11 by the following expression.

[0048]

[Equation 11]

When the demand record data of the zone which is constantly backed up by the electric power company does not exceed the contracted power of the backup power, the output command value of the power generation equipment belonging to the zone may be set to zero.

According to the first embodiment, the received power of the power generation equipment is changed with respect to the supplied power of the customer, which changes from moment to moment.
Since the total value of them is controlled to match in consideration of the power loss rate, and the power generation output command value of the power generation equipment is distributed in consideration of the rate of change of the received power of the power generation equipment,
Simultaneous control of the same amount of transmission power can be performed by making maximum use of the output adjustment capability of the power generation equipment. Further, even when there is a power generation facility that cannot be controlled or a power generation facility for which it is desired to manually set a power generation command value, it is possible to use another power generation facility to execute control for achieving the same amount of consigned power at the same time. Further, even when there is a transfer supply or when a constant backup is received, it is possible to execute the control for achieving the same amount of the transmission power at the same time.

Next, the same amount monitoring and controlling apparatus 2 for the simultaneous transmission power
The operation process of the power generation equipment monitoring screen creating means 32, which constitutes No. 5, will be described with reference to the flowchart of FIG.

The power generation equipment monitoring screen creating means 32 shown in FIG. 2 performs the operation processing of steps S15 to S18.
A recording medium (not shown) is recorded for these operation processes. In step S15, the current received power value for each power generation facility 13 is fetched from the power generation facility received power performance data 27. In step S16, the current power generation command value for each power generation facility 13 is fetched from the power generation output command value 29.

Then, in step S17, the data necessary for displaying the screen such as the power generation facility (generator) name is fetched from the facility data 28. In step S18, the current power value and the current command value are in one line for each generator from each data such as the received power value, the power generation command value, and the screen display data of the facility data collected in each step S15, S16, S17. Display is performed in the screen format that is displayed. The screen display method follows the display format of each tool. That is, when displaying in the Web format, html, Ja
Create a screen display application using va (registered trademark), JavaScript, or the like, and execute X-Window.
When displaying in w format, it is created by the programming method specified by X-Windows. here,
There are no particular restrictions on the method of creating the screen application.

In step S19, each step A15,
By repeating S16, S17, and S18 continuously, a delay is implemented so as to perform automatic display update of the screen.

By this implementation, the operator can promptly confirm on the screen whether or not the received power amount of the power generation equipment 13 follows the power generation command value which changes every moment.

(Second Embodiment) FIG. 6 is a block diagram showing a second embodiment of a simultaneous transmission power equal amount monitoring and controlling apparatus according to the present invention.

Simultaneous same amount monitoring and control device 25 of this transmission power
A is a system in which a power generation command value monitoring means 40 and an alarm generation device 41 are added to the simultaneous same quantity monitoring control device 25 shown in FIG. The power generation command value monitoring means 40 uses the threshold values in the power generation facility received power record data 27, the power generation output command value 29, and the facility data 28 to notify the alarm generator 41 when an abnormality occurs. It has become.

The other configurations are the same as those of the simultaneous same quantity monitoring and control device 25 shown in FIGS. 2 and 3, and therefore, the same reference numerals are given and the description thereof will be omitted. The operations of the simultaneous equal amount control command value creating means 30 and the power generation equipment monitoring screen creating means 32 of the simultaneous equal amount monitoring control device 25A are not different from those in the flowcharts shown in FIGS.

Further, the same amount monitoring and control device 2 for the simultaneous transmission power is provided.
The power generation command value monitoring means 40 of 5A performs the operation processing shown in the flowchart of FIG.

As shown in the flow chart of FIG. 7, the power generation command value monitoring means 40 fetches the current received power measurement value for each unit of power generation equipment 13 from the power generation equipment received power performance data 27 in step S21. In step S22, the current power generation output command value for each unit of power generation equipment 13 is fetched from the power generation output command value 29. Further, in step S23, data for determining an abnormality is acquired from the equipment data 28. For example, the threshold data is acquired.

Then, in step S24, the difference between the received power of the power generation equipment and the power generation output command value and the threshold value are compared from the data collected in each of steps S21, S22, and S23 using the following formula. To do.

[0062]

[Equation 12]

When the difference between the measured value of the received power of the power generation facility and the power generation output command value is larger than the threshold value from the facility data 28, the power generation command value monitoring means 40 determines that there is an abnormality and sends an alarm signal to the alarm generator 41. Output and notify (S2
5).

When the difference between the measured value of the received power of the power generation equipment and the generated output command value is smaller than the threshold value from the equipment data 28, the same-same-quantity monitoring control device 25A determines that it is normal, and the same amount of the simultaneous transmission power is the same. The monitoring process ends. In order to carry out the monitoring process by the power generation command value monitoring means 40 at regular intervals,
In step S26, the monitoring process is repeated with a delay of a fixed time.

By repeatedly performing the monitoring processing operation by the power generation command value monitoring means 40 every predetermined period, it is determined whether or not the received power amount of the power generation equipment 13 follows the power generation output command value 29 which changes every moment. It is possible to make a quick and accurate decision, and by issuing an alarm when not following, it is possible to notify the operator of the abnormality proactively and quickly.

(Third Embodiment) FIG. 8 is a block diagram showing a third embodiment of the simultaneous same amount monitoring and controlling apparatus of the transmission power according to the present invention.

Simultaneous same amount monitoring and control device 25 of this transmission power
B is provided with a zone-by-zone power amount creating means 45 and a zone-by-zone monitoring screen creating means 46 in addition to the simultaneous and same quantity monitoring and control device 25 shown in FIG.

The zone-by-zone power amount creating means 45 takes in the power amount for each consumer 48 and the power amount for received power 49 for each power generation facility, and a predetermined zone time, for example, 0 minutes to 30 minutes, 30 minutes to 6 minutes.
The zone-specific power supply amount 50 for every 30 minutes of 0 minutes (net 30 minutes) is set as the zone-specific power supply amount of 30 minutes, and the zone-specific power reception amount 51 for every 30 minutes is set to the zone. It is designed to be generated every 30 minutes as the amount of received power.

The zone-by-zone power amount creating means 45 sets the received power amount 48 for each power generation facility 13 and the supplied power amount for each consumer 49 to, for example, 0 minutes to 30 minutes, 30 minutes to 60 minutes in a positive 30 minutes (net 30 For example, the power amount is converted into a power amount in a predetermined time such as (minutes), and a normal 30-minute received power amount 61 for each zone and a normal 30-minute supplied power amount 50 for each zone are created.

Further, the zone-by-zone monitoring screen creating means 46 creates the zone-by-zone monitoring screen 52 by taking in the zone-by-zone supplied power amount 50, the zone-by-zone received power amount 51, and the facility data 28 in which the zone name is stored. It has become.

9 (A) and 9 (B), the zone-by-zone power amount creating means 45 and the zone-by-zone monitoring screen creating means 4 in the simultaneous transmission power equal amount monitoring control device 25B of FIG.
6 is a flowchart showing the operation of No. 6. The same parts as those of the simultaneous same quantity monitoring control device 25 shown in FIG.

First, the same amount monitoring and control device 2 for the simultaneous transmission power
FIG. 9 shows the operation processing of the zone-by-zone electric energy generation means 45 of 5B.
A description will be given based on the flowchart of (A).

The zone-by-zone electric energy generating means 45 is activated every predetermined time, for example, every 0 minutes and every 30 minutes of 30 minutes. In step S31, the power amount integrated value for calculating the current power amount of the consumers L ₁ , L ₂ , and L ₃ from the consumer supplied power amount 48 or the counter value of the watt hour meter is used as the zone-by-zone power amount creating means 45. Take in. In step S <b> 32, the integrated power amount value for calculating the current power amount of the power generation facility or the counter value of the watt hour meter is fetched from the power generation facility received power amount 49 into the zone amount power amount generation means 45.

On the other hand, in step 33, the numerical value of the amount of electric power taken in in steps S31 and S32 is compared with the numerical value taken in a predetermined time, for example, 30 minutes before, and the supplied electric power is supplied for a predetermined time, for example, 30 minutes. Calculate the amount of power received. In the case of transmission by the counter, conversion is performed from the amount of power per count. In step S34, the value calculated in step S33 is added for each zone. Steps S33 and S34 can be expressed by the following calculation formulas.

[0075]

[Equation 13]

If the zone intended for the transfer power supply is receiving, the amount of power received for 30 minutes in each zone is calculated by the following formula.

[0077]

[Equation 14]

In step S35, the calculated value is written in the supplied power amount 50 for 30 minutes for each zone. In step S36, the calculated value is written in the received power amount 51 for 30 minutes in each zone.

Next, the same amount monitoring and control device 2 for the simultaneous transmission power
The operation processing of the zone-by-zone monitoring screen creating means 46 provided in 5B will be described with reference to the flowchart shown in FIG.

The zone-by-zone monitoring screen creating means 46 first
In step S37, the normal 30-minute power supply amount 34 for each zone, the normal 30-minute power reception power amount 35 for each zone, and the facility data 3 in which the zone name and the generator name are stored are read.

In step S38, the amount of electric power supplied and the amount of electric power generated are displayed in one line for each zone based on the data collected in step S37. The screen display format follows the display format of each tool. That is, when displaying in Web format, h
Create a screen display application using tlm, Java, JavaScript, etc., and execute X-Window.
When displaying in w format, it is created by the programming method specified by X-Windows. Here, no particular limitation is imposed on the method of producing the screen application.

At step S39, steps S37 and S3 are performed.
By repeating step 8, a delay is implemented to update the screen automatically.

Simultaneous same amount monitoring and control device 25 of this transmission power
B is the amount of power supplied and the amount of power received within 30 minutes for each zone to be evaluated by the simultaneous equal amount control of the consigned power by the processing of the zone-by-zone power amount creation means 45 and the zone-by-zone monitoring screen creation means 46. It is possible for the human operator to easily and surely check the balance of the above on the monitoring screen for each zone. In this embodiment, an example is shown in which the balance of the received power amount is checked for the supplied power amount every 30 minutes for each zone, but this balance confirmation is performed every 15 minutes, every 20 minutes, every 1 hour, etc. It is sufficient if it is every predetermined time.

(Fourth Embodiment) FIG. 10 is a block diagram showing a fourth embodiment of the simultaneous same amount monitoring and controlling apparatus for consigned electric power according to the present invention.

Simultaneous same amount monitoring and control device 25 of this transmission power
C is a system in which the simultaneous same amount monitoring control device 25B shown in FIG. 8 is provided with the zone power amount monitoring means 55 and the alarm generation device 56. Since other configurations are the same as those of the simultaneous same quantity monitoring control device 25B shown in FIG. 8, the same parts are denoted by the same reference numerals and the description thereof will be omitted.

The zone power amount monitoring means 55 has a normal power supply amount of 30 minutes for each zone 50 and a power reception power amount of 5 minutes for each normal 30 minutes.
1 is used to notify the alarm generator 56 when a supply shortage of several percent, which is a simultaneous numerical value constraint electric power violation value, for example, 3% or more occurs.

FIG. 11 is a flow chart showing the operation of the zone electric power amount monitoring means 51 in the simultaneous transmission power equal amount monitoring control device 25C shown in FIG.

The operation of the zone power amount monitoring means 51 is shown in FIG.
It will be described in accordance with the flowchart of. The zone electric power amount monitoring means 51 is activated immediately after the operation of the electric energy generating means 45 for each positive 30 minutes.

In step S41, the zone power amount monitoring means 55 fetches the power amount 50 for each zone (positive 30 minutes) from the power amount 50 for each zone for a predetermined time, for example, 30 minutes. In step S42, the zone power amount monitoring means 55
Then, it is determined from the received electric power amount 51 for each zone (positive 30 minutes) whether or not it exceeds a predetermined time for each zone, for example, several percent of positive 30 minutes, for example, 3%.

[0090]

[Equation 15]

In step S44, when the equation (10) is satisfied, it is determined that the abnormality has occurred, and the alarm generator 56 is notified.

Simultaneous same amount monitoring and control device 25 of this transmission power
In C, since the zone power amount monitoring means 55 and the alarm generation device 56 are provided, the power consumption amount and the power reception amount in the positive 30 minutes for each zone to be evaluated by the simultaneous equal amount control are defined in the clauses. It becomes possible to notify the operator of an alarm when an excess abnormality of several percent, which is a predetermined simultaneous equal amount constraint electric energy violation value, for example, 3% or more, occurs.

(Fifth Embodiment) FIG. 12 is a block diagram showing a fifth embodiment of the simultaneous same amount monitoring and controlling apparatus of the transmission power according to the present invention.

Simultaneous same amount monitoring and control device 25 of this transmission power
D is the same amount monitor controller 25B shown in FIG.
It is provided with a zone-by-zone electric energy recording means 60 and a zone-by-zone recording screen creating means 61. Other configurations are the same as those of the simultaneous same amount monitoring control device 25B shown in FIG. 8, and therefore, the same components are denoted by the same reference numerals and the description thereof will be omitted.

The zone-by-zone electric energy recording means 60 is provided for each zone (regular 30 minutes) created by the zone-by-zone electric energy creating means 45.
Power supply amount 50 and received power amount for each zone (positive 30 minutes) 51
Is read and stored in the zone-by-zone supply power amount recording data 62 and the zone-by-zone power reception amount recording data 63 as a storage record corresponding to the operation time. The zone-by-zone supply power amount record data 62 and the zone-by-zone power reception power amount record data 63 are data in which the normal 30-minute power supply amount 50 for each zone and the normal 30-minute power reception amount 51 for each zone are stored in time series.

The zone-by-zone recording screen creating means 61 is
The zone-by-zone power supply amount record data 62 and the zone-by-zone power reception amount record data 63 are read, and a zone-by-zone record screen 64 is displayed.

13 (A) and 13 (B), the zone-by-zone power amount recording means 6 in the zone simultaneous predetermined amount monitoring control device 25D for a predetermined time, for example, a positive 30 minutes, is shown.
7 is a flowchart showing the operation processing of 0 and the recording screen creation means 61 for each zone.

The operation of the zone-by-zone (normal 30 minutes) power amount recording means 60 in the simultaneous power transmission monitoring and control device 25D will be described with reference to the flowchart of FIG. 13 (A).

In step S51 of FIG. 13A, the power supply amount calculated in the previous predetermined time (positive 30 minutes) at the present time is fetched from the power supply amount 50 for each 30 minutes. In step S52, the received power amount calculated in the previous predetermined time (positive 30 minutes) at the current time is fetched from the received power amount 51 in 30 minutes for each zone. In step S53, the current time is fetched.

In step S54, the time 30 minutes before the current time fetched in step S53 is calculated, and the data is written in an appropriate record of the zone-by-zone supply power amount recording data 62. In step S55, step S54
Similarly, the data is written to the zone-by-zone power supply amount recording data 63.

Next, a flowchart of the operation of the zone-by-zone recording screen creating means 61 will be described with reference to FIG.

In step S56, the zone-by-zone recording screen creating means 61 reads the zone-by-zone power supply amount recording data 62, the zone-by-zone power amount recording data 63, and the equipment data 28.
In step S57, the read data 62, 63, 28
According to the zone name and display period designated by the operator on the screen, the zone-by-zone recording screen 64 is displayed in a screen format in which data is displayed in time series in a table format or a graph format on a zone basis. The screen display method follows the display format of each tool. That is, when displaying in the Web format, an application for screen display is created using html, Java, JavaScript, etc., and X-
X-Window when displaying in Windows format
It is created by the programming method specified by s.
Here, no particular limitation is imposed on the method of producing the screen application.

Simultaneous same amount monitoring and control device 25 of this transmission power
In D, the zone-by-zone electric energy recording means 60 and the zone-by-zone recording screen creating means 61 are provided, so that the operator can quickly confirm the control completion status of the same zone in a time series.

(Sixth Embodiment) FIG. 14 is a block diagram showing a sixth embodiment of a simultaneous transmission power equalization monitoring control device according to the present invention.

Simultaneous same amount monitoring and control device 25 of this transmission power
E includes a zone-by-zone predicted power amount creating means 70, a zone-by-zone monitoring screen creating means 71, a current power amount monitoring means 72, and an alarm generating device 73 in addition to the simultaneous and same amount monitoring control device 25B shown in FIG. It is a thing. Since other configurations are not different from the configurations of the simultaneous same amount monitoring control device 25B shown in FIG. 2, the same configurations are denoted by the same reference numerals and the description thereof will be omitted. Further, the zone-by-zone monitoring screen creating means 71 is substantially the same as the zone-by-zone monitoring screen creating means 46 of the simultaneous same amount monitoring control device 25B shown in FIG.
4 is substantially the same as the alarm generator 56 shown in FIG.

The zone-by-zone predicted power amount generation means 70 takes in the consumer supplied power amount 48 and the power generation equipment received power amount 49, and predicts and calculates the power amount when the current time is 30 minutes after the next time, A normal 30-minute predicted supplied power amount 74 for each zone and a normal 30-minute predicted received power amount 75 for each zone are created.

On the other hand, the zone-by-zone monitoring screen creating means 71
In addition to the technical contents of the zone-by-zone monitoring screen creating means 46 shown in FIG. 8, the zone-by-zone monitoring screen 76 is created to display the predicted power amount for each zone. In addition, the current power amount monitoring means 72 uses the normal 30-minute predicted supply power amount 74 for each zone and the normal 30-minute predicted received power amount 75 for each zone to determine the simultaneous same-quantity constraint power amount violation value in the next regular 30 minutes. The alarm generation device 73 is notified when there is a possibility that a supply shortage of some percentage, for example 3% or more, may occur.

In this way, the simultaneous same amount monitoring control device for the transmission power has the zone-specific predicted power amount creating means 70, the zone-specific 30-minute predicted supply power amount 74, the zone-specific 30-minute predicted received power amount 75, and the current And an electric power amount monitoring means 72.

FIG. 15 is a flow chart showing the operation of the zone-by-zone predicted power amount generation means 70 in the simultaneous power transmission amount monitoring control device 25E of FIG. The operation of the zone-by-zone monitoring screen creating means 76, although the data to be read is added, does not change in terms of processing, so the flow chart is omitted.

On the other hand, regarding the present power amount monitoring means 72 as well, in the flow chart showing the operation of the zone power amount monitoring means 55 shown in FIG. If the normal 30-minute predicted supply power amount 74 and the zone-specific 30-minute power reception power amount 51 are changed to the zone-specific 30-minute predicted power reception amount 75, the flow processing is the same, and therefore the description in the flowchart is omitted.

[0111] Next, the same amount monitoring and control apparatus 2 for the same amount of electric power to be transferred.
The operation of the zone-by-zone predicted power generation means 70 in 5E will be described with reference to the flowchart of FIG.

The zone-by-zone predicted power generation means 70 reads the current power supply amount of the customer from the power supply amount 48 of the customer in step S61. In step S62, the current amount of power received by the power generation facility is read from the amount of power generated by the power generation facility 49. Then, in step S63, the predicted electric energy of each consumer and power generation facility is obtained by the following calculation formula.

[0113]

[Equation 16]

Simultaneous same amount monitoring and control device 25 of this transmission power
In E, each zone predicted power generation means 70, each zone (positive 30 minutes) predicted power supply 74, each zone (positive 3)
0 minutes) Predicted received power amount 75 and current power amount monitoring means 7
With the provision of 2, the operator can evaluate the finish of the simultaneous equal amount control at the current time in advance.

Simultaneous equal amount control command value creating means 30, power generation facility monitoring screen creating means 32, power generation command value monitoring means 40, which constitute the simultaneous and equal amount monitoring control devices 25 to 25E of the transmission power shown in each embodiment, Zone-by-zone power amount creating means 45, zone-by-zone monitoring screen creating means 46, zone-by-zone power amount monitoring means 5
5, processing programs in the zone-by-zone power amount recording means 60, the zone-by-zone recording screen creating means 61, the zone-by-zone predicted power amount creating means 70, and the current power amount monitoring means 72 are FD and M.
It is recorded on a recording medium (not shown) such as O or CD. In addition, each of the means 30, 32, 40, 4 is provided on this recording medium.
5, 46, 55, 60, 61, 70, 72 are appropriately combined, and a processing program for performing simultaneous equal amount monitoring control of the simultaneous same amount monitoring control devices 25 to 25E of the transmission power is recorded. There is.

[0116]

As described above, in the simultaneous and same amount monitoring control device of the transmission power according to the present invention, the power consumption rate of the consumer and the received power amount from the power generation facility to the power system are calculated by the power loss rate. Simultaneous and easy control of the same amount of consigned power that matches the corrected value and minimizes the fuel cost related to the operation of the power generation equipment or the power purchase cost from the power generation company can be performed.

Furthermore, in this simultaneous transmission power equalization monitoring control device, it is possible to easily carry out simultaneous transmission equalization monitoring, which correctly informs the human system whether or not the simultaneous transmission power equalization control is correctly performed. You can

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a configuration of a power transmission electric power system including a simultaneous transmission power equal amount monitoring control device according to the present invention.

FIG. 2 is a block configuration diagram showing a first embodiment of a simultaneous and same amount monitoring control device of the transmission power according to the present invention.

FIG. 3 is a block configuration diagram of a simultaneous equal-quantity control command value creating unit that constitutes the simultaneous equal-quantity monitoring control device shown in FIG.

FIG. 4 is a flowchart showing the processing contents of the simultaneous same-quantity control command value creating means shown in FIG.

FIG. 5 is a flowchart showing the processing contents of a power generation facility monitoring screen creating means that constitutes the simultaneous transmission power equalization monitoring control device according to the present invention.

FIG. 6 is a block configuration diagram showing a second embodiment of a simultaneous transmission power equalization monitoring control device according to the present invention.

7 is a flowchart showing the processing contents of a power generation command value monitoring means that constitutes the simultaneous same quantity monitoring control device shown in FIG.

FIG. 8 is a block configuration diagram showing a third embodiment of a simultaneous same amount monitoring and controlling apparatus for consigned electric power according to the present invention.

9 (A) and 9 (B) are flow charts showing the processing contents of the zone-by-zone power amount creating means and the zone-by-zone monitoring screen creating means, respectively, which compose the simultaneous and same quantity monitoring control device shown in FIG.

FIG. 10 is a block diagram showing a fourth embodiment of a simultaneous transmission power monitoring and control device according to the present invention.

11 is a flowchart showing the processing contents of a zone power amount monitoring means that constitutes the simultaneous same amount monitoring control device shown in FIG.

FIG. 12 is a block configuration diagram showing a fifth embodiment of a simultaneous transmission power monitoring and control device according to the present invention.

13 (A) and 13 (B) are flow charts showing the processing contents of the zone-by-zone electric energy recording means and the zone-by-zone recording screen creating means, respectively, which compose the simultaneous same amount monitoring and controlling apparatus shown in FIG.

FIG. 14 is a block configuration diagram showing a sixth embodiment of a simultaneous transmission power equalization monitoring control device according to the present invention.

FIG. 15 is a flowchart showing the processing contents of the zone-by-zone predicted power amount generation means that constitutes the simultaneous same amount monitoring and control apparatus shown in FIG.

[Explanation of Codes] 10 Power Systems 11, 11a, 11b, 11c Power Transmission Facilities 13, 13a ₁ , 13a ₂ , 13a ₃ , 13b ₁ , 13
b ₂ , 13 c Power generation equipment 14, 14 a, 14 b, 14 c Customer equipment 15, 15 a ₁ , 15 a ₂ , 15 a ₃ , 15 b ₁ , 15
b _2, 15c controller _{17,17a 1, 17a 2, 17a 3} , 17b 1, 17
b ₂ , 17c Measuring instrument for received power 18, 18a, 18b, 18c Measuring instrument for supply power 25, 25A, 25B, 25C, 25D, 25E Simultaneous same amount monitoring control device 26 of consigned transmission power Actual power supply data 27 Actual received power Data 28 Facility data 29 Generated power command value 30 Simultaneous same amount control command value creation means 31 Power generation equipment monitoring screen 32 Power generation equipment monitoring screen creation means 35 Zone control deviation calculation means 36 Zone power generation adjustment quantity calculation means 37 Power generation adjustment quantity distribution means 38 Power generation command value calculation means 40 Power generation command value monitoring means 41 Alarm generator 45 Zone-based power amount creation means 46 Zone-based monitoring screen creation means 48 Customer supplied power amount 49 Power generation facility received power amount 50 Zone supplied power amount 51 Zone Received power amount 52 Zone-by-zone monitoring screen 55 Zone power amount monitoring means 56 Alarm generator 60 Zone-by-zone electric power amount recording means 61 Zone-by-recording screen creating means 62 Zone-by-zone supplied power amount recording data 63 Zone-by-zone received power amount recording data 64 Zone-by-zone recording screen 70 Zone-by-zone predicted power amount creating means 71 Zone-by-zone monitoring screen creating means 72 current power monitoring means 73 alarm generator 74 predicted power supply amount per zone 75 predicted power received amount per zone 76 monitoring screen per zone

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Kengo Nakamura             No. 1 Toshiba-cho, Fuchu-shi, Tokyo Toshiba Corporation             Fuchu Office (72) Inventor Masahiko Murai             No. 1 Toshiba-cho, Fuchu-shi, Tokyo Toshiba Corporation             Fuchu Office (72) Inventor Tatsuo Tsuzuki             1-1 Shibaura, Minato-ku, Tokyo Co., Ltd.             Toshiba headquarters office (72) Inventor Takao Sawaki             1-24 East, 2-24 Harumi-cho, Fuchu-shi, Tokyo             Shiba System Technology Co., Ltd. (72) Inventor Kazuhiro Takeuchi             1-24 East, 2-24 Harumi-cho, Fuchu-shi, Tokyo             Shiba System Technology Co., Ltd. F-term (reference) 5G066 HA17 HA30 HB02

Claims (7)

[Claims] 1. Electric power is connected or transferred from one or a plurality of power generation facilities connected to an electric power system to one or a plurality of customer facilities by using transmission facilities of one or a plurality of electric power companies. In the monitoring control device for the consigned power, the measured value of the received power received by the power system from the one or more power generation facilities, the measured value of the power supplied to the one or more consumer facilities, and each power generation facility Simultaneous same-quantity control command value creation means that calculates the power generation output command value of each power generation facility unit for each zone from the equipment data of each customer facility, and the received power measurement value of the power generation facility and the power generation output command of each power generation facility unit A simultaneous and same amount monitoring control device for consigned electric power, comprising: a power generation facility monitoring screen creating means for creating a power generation facility monitoring screen from a value and facility data in which a generator name is stored. 2. The equipment data has a threshold value indicating an abnormality for each generator, and the received power measurement value is obtained from the received power measurement value of the power generation equipment, the power generation output command value for each power generation equipment unit, and the equipment data threshold value. A simultaneous and same amount monitoring control device for consigned electric power, further comprising a power generation command value monitoring means for notifying an alarm generator when there is a difference in threshold abnormality from the power generation output command value. 3. The equipment data has a zone name,
The amount of power received by each power generation facility and the amount of power supplied by each customer are 0 minutes ~
30 minutes, 30 minutes to 60 minutes, a normal 30 minutes or the like, a power consumption for each zone, which is converted into power for a predetermined time of the zone to generate the received power for each zone and the supplied power for each zone, and the above-mentioned supply for each zone. 2. The consigned power transmission according to claim 1, further comprising: zone-by-zone monitoring screen creating means for creating a zone-by-zone monitoring screen from the power amount, the received power amount for each zone, and the facility data in which the zone name is stored. Simultaneous same amount monitoring and control device. 4. An alarm is received when the zone-by-zone power supply amount and the zone-by-zone power reception amount are accepted, and the zone-by-zone power source amount and the zone-by-zone power receiving amount are apart from each other by a ratio equal to or more than the ratio of simultaneously violating the same amount constraint. 4. The simultaneous same amount monitoring control device for consigned electric power according to claim 3, further comprising zone electric energy monitoring means for notifying the generator. 5. The power for each zone for recording and saving the received power amount for each zone and the supplied power amount for each zone in the supplied power amount record data for each zone and the received power amount record data for each zone at predetermined time intervals such as every 30 minutes. And a zone-by-zone recording screen creating means for editing the zone-by-zone supply power amount recording data and the zone-by-zone received power amount recording data for displaying on the zone-by-zone recording screen. Item 3. The same amount monitoring and controlling apparatus for the simultaneous transmission power as set forth in Item 3. 6. The equipment data includes zone name data,
For each zone, the received power amount for each power generation facility and the supplied power amount for each customer are predicted for the required amount of time, such as a positive 30 minutes corresponding to the current time, and the predicted received power amount for each zone and the predicted supply power amount for each zone are created. Predicted power amount creating means, zone-by-zone monitoring screen creating means for creating a zone-by-zone monitoring screen from the zone-by-zone predicted supply power amount, zone-by-zone predicted received power amount, and facility data in which zone names are stored, and the zone The alarm generator is notified when the predicted power supply for each zone and the predicted power reception for each zone are more than the ratio that violates the same amount constraint from the predicted power supply for each zone and the predicted power reception for each zone. The simultaneous transmission power monitoring and control device according to claim 1, further comprising an electric energy monitoring means. 7. A processing program of a unit constituting the simultaneous transmission power equalization monitoring control device according to claim 1 is recorded, or the same transmission power equivalence monitoring device is recorded. A recording medium on which a processing program in which constituent means are combined is recorded.