KR101154228B1 - Industrial Smart Grid-Load Power Management System - Google Patents

Abstract

The present invention relates to a switchgear and distribution panel load power management system using ISG-LPMS (Industrial Smart Grid-Load Power Management System), Wi-Fi or 3G-based smartphone (Smart Phone) or Internet-based PC (Personal Computer) Based on the web service connected to the laptop or notebook PC, the user monitors the load's power related information such as the distribution panel and the distribution panel and the 'on / off' status of the load, and the user can arbitrarily select the 'on / off' of the load. It can be controlled remotely according to the schedule you set.

Description

Switchgear and distribution panel load power management system using IS-LPMS {Industrial Smart Grid-Load Power Management System}

The present invention is based on the web service connected to Wi-Fi or 3G-based smart phone (Smart Phone) or Internet-based PC (personal computer), the user monitors the power of the load, such as switchboard or distribution panel anytime, anywhere The switchgear and distribution panel load power management system using the ISG-LPMS (Industrial Smart Grid-Load Power Management System) for remote control.

In general, consumer systems using electric power facilities such as factories, buildings, schools, hospitals, etc. need a means to manage electric power facilities. Until now, one or more PCs and terminals are attached to each electric power facility. It is checked and managed by turns.

As such, when the operator directly manages the site, the operator has to reside in the site, which is inconvenient, and requires a lot of manpower and time for management, resulting in an increase in labor costs. In addition, since expensive monitoring equipment is required for the monitoring, there is a problem that it is expensive to install the monitoring equipment.

The present invention for solving the conventional problems as described above, the user can check the processed form of the data on the load through a PC or a smartphone connected to the Internet in any region where the web service is available, the load status and By detecting the occurrence of events and visualizing the amount of electricity consumed invisibly, it can bring about an expected effect on energy saving, maintain the optimal state of the load being used, and analyze it based on the numerical contents related to the electricity bill. Its purpose is to present a methodology for saving rates and to find solutions for electricity savings on its own.

In addition, the present invention ensures the planning of work through the daily schedule management by LPMS and shows the graph and table to show the trends of daily, weekly, monthly, yearly electricity rates, so that the user can easily grasp, and linked with LPMS Its purpose is to allow users to plan their own 'on / off' schedules.

In addition, the present invention allows the user to manage the load anytime, anywhere using a smartphone in the Wi-Fi or 3G enabled region as well as a PC with a wired Internet or a laptop PC with wireless Internet so that you can easily check the information about the load. Its purpose is to.

Switchgear and distribution panel load power management system using ISG-LPMS according to the present invention for achieving the above object,

A clamp CT that is installed on the panel panel and draws a voltage at the primary side of the load breaker installed at the load side and draws a current at the secondary side of the load breaker; Calculates, displays and transmits data such as power factor, previous day active power, current active power, total cumulative reactive power, total cumulative active power, last month active power, current month active power, etc. from the voltage, current, and phase drawn by the clamp CT. LPMS (Load Power Management System) to control the load by operating the load breaker receives a control command from the data management server; Each phase voltage, each phase current, phase, power factor, previous day's effective power, current day's effective power, total cumulative reactive power, total cumulative active power, previous month's active power, current month's active power from the LPMS through a master modem A data management server configured to provide a corresponding data to a user after receiving a data such as the data and to control the 'on / off' of the load according to the 'on / off' schedule of the load set by the user; And data such as each phase voltage, each phase current, phase, power factor, previous day's effective power, current day's effective power, total cumulative reactive power, total cumulative active power, last month's effective power, current month's active power, etc., built in the data management server. A user terminal based on a web service for checking in real time and managing an 'on / off' schedule of a load; Characterized in that it comprises a.

In addition, in the present invention, the clamp CT draws a voltage from the primary side which is an inlet of the load breaker and draws a current from the primary side of the outlet of the load breaker.

Further, in the present invention, the LPMS may include a measuring unit for measuring each phase voltage, each phase current and phase of the load by the voltage and current drawn by the clamp CT; An arithmetic processing unit that calculates data such as a power factor, a previous day effective power amount, a current effective power amount, a total accumulated reactive power amount, a total accumulated active power amount, a previous month effective power amount, a current month effective power amount, etc. based on the voltage, current, and phase measured by the measuring unit; A communication unit which transmits the data obtained by the measuring unit and the arithmetic processing unit to the data management server and receives a control command for 'on / off' control of a load from the data management server; A load control unit controlling 'on / off' of the load according to a control command transmitted from the data management server through the communication unit; And a display unit for displaying each phase voltage, each phase current, phase, power factor, previous day active power amount, current active power amount, total cumulative reactive power amount, total accumulated active power amount, previous month active power amount, current month active power amount, and the like of the load; Characterized in that it comprises a.

In the present invention, the LPMS is characterized in that the collected data is shown in graph form or table form by day, month, year.

In addition, in the present invention, the user terminal is characterized in that it has a TOU (Time Of Used) function that can manage the 'on / off' schedule of the load per day, day of the week, week, specific day at a remote location.

In addition, in the present invention, the user terminal is a smart phone (smart-phone) based on Wi-Fi or 3G communication to download the application in real time to manage the load or check the event information and manage the schedule It is characterized by being.

In addition, in the present invention, the user terminal is a wired / wireless Internet-based PC / notebook PC, characterized in that the load can be managed anytime, anywhere.

In the present invention, a data repeater (compeater) for compensating for the amount of attenuation of data transmitted from the LPMS to the data management server; It characterized in that it further comprises.

In addition, the present invention is installed on the front panel of the switchgear panel using the voltage (current, current) modified (transformed, current) on the switchgear side as a power source, voltage, current, phase, power factor, active power amount, reactive power amount, on the switchboard side and the load side, The digital centralized control device Smart-eye is further provided to measure, calculate, and display the maximum demand power, and the digital centralized control device Smart-eye controls the switchboard facilities and various alarms according to the control command from the data management server. Collect and display the information.

In addition, in the present invention, the digital concentration control device Smart-eye measurement unit for measuring the voltage, current on the switchboard side and the load side; An arithmetic processing unit that calculates phase, power factor, effective power amount, reactive power amount, maximum demand power, and the like on the switchboard side and the load side based on the voltage and current measured by the measuring unit; A communication unit which transmits the data obtained by the measuring unit and the arithmetic processing unit to the data management server and receives a control command for controlling switchgear from the data management server; A control unit controlling a switchboard according to a control command transmitted from the data management server through the communication unit; And a display unit which displays information such as voltage, current, phase, power factor, effective power amount, reactive power amount, maximum demand power, and various alarms on the switchboard side and the load side. And a control unit.

Therefore, according to the present invention, the present invention provides specific data such as the amount of active power of the day provided by the LPMS, the amount of active power of the present day, the voltage, current, power factor, the total accumulated reactive power, the total accumulated active power, the amount of active power of the previous month, the amount of active power of the current month, etc. By using RF (Radio Frequency) communication or communication method such as RS-485, Zigbee, PLC, and processing the collected data in the data management server to build a database. You can check the processed data through smartphones or PCs connected to the internet where possible, and visualize the amount of electricity consumed invisibly by detecting load conditions and event occurrences and bring expected energy savings. The user can maintain the optimal state of the load he is using This can be analyzed based on the content, suggesting a methodology for saving rates and allowing users to find solutions for electricity saving.

In addition, the present invention ensures the planning of work through the daily schedule management by LPMS and shows the graph and table to show the trends of daily, weekly, monthly, yearly electricity rates, so that the user can easily grasp, and linked with LPMS It has the effect of providing the time of used (TOU) function, which allows the user to plan the 'on / off' schedule of the load.

In addition, the present invention allows the user to check the information with a PC connected to a wired internet or a laptop PC capable of wireless internet, and the user can check information using a smart phone in a Wi-Fi or 3G enabled area. By downloading the application, you can manage the load anytime and anywhere, and you can easily check the information about the load.

1 is a schematic diagram showing a switchgear and distribution panel load power management system using ISG-LPMS according to the present invention.

Switchgear and distribution panel load power management system using the ISG-LPMS (Industrial Smart Grid-Load Power Management System) according to the present invention, LPMS (10) or digital centralized control apparatus installed in the distribution panel and switchgear, respectively, as shown in FIG. The power factor from the phase voltage, each phase current, and phase of the load obtained by the smart-eye 20, the power amount of the previous day, the amount of active power of the present day, the total amount of reactive power, the total amount of active power, the amount of active power of the previous month, the amount of active power of the current month, etc. Data is collected and processed by RF (Radio Frequency) communication or communication method such as RS-485, Zigbee, PLC, etc. to build a database on the data management server 30 so that users can access web services anytime, anywhere. By connecting to the data management server 30 using a normal smartphone 51, PC / laptop PC 52, etc. in real time information of a specific load Not only will you be able to easily see the 'on / off' loads the user can control according to the prescribed schedule.

Specifically, the load power management system according to the present invention is installed in the panel panel panel, the inlet of the load breaker (1) installed on the load side, that is, draw the voltage from the primary side and the outlet of the load breaker (1), namely 2 Clamp on current transformer (CCT) 5 which draws current from the vehicle side, each phase voltage and each phase current drawn by the clamp CT 5, power factor from the phase, the amount of effective power of the day, the amount of effective power of the present day, total It calculates, displays, and transmits data such as cumulative reactive power, total active power, previous month's active power, current month's active power, etc., while receiving a control command from the data management server 30 to operate the load breaker 1 to turn on the load. Load power management system (LPMS) 10 for controlling the on / off, and voltage, current, phase, power factor of the load from the LPMS 10, through the master modem 40, the amount of effective power, Power, total It builds a database by receiving data such as the amount of reactive power, total cumulative active power, previous month's active power, and current month's active power, and provides the user with the corresponding data, according to the 'on / off' schedule of the user-defined load. Voltage, current, phase, power factor, previous day's active power, current day's effective power, total cumulative reactive power, total load of the data management server 30 controlling the on / off 'and the data management server 30 It consists of a user terminal 50 based on a web service that checks data such as cumulative active power amount, previous month active power amount, current month active power amount, etc. in real time and manages the 'on / off' schedule of the load.

Here, in consideration of the convenience and safety of the operation to measure the voltage, current, phase, etc. using the clamp CT (5), the reason for drawing the voltage from the primary side of the load breaker (1) is the LPMS (10) This is because the power supply for the next control of the LPMS 10 must be activated even when the load is 'off' because it is designed to use the power of the load side as the power supply.

The LPMS 10 has an RF or RS-485 for data communication, a Zigbee, a master modem 40 capable of PLC communication, and a data repeater 60 for long distance communication, which is controlled by the clamp CT 5. Measurement unit 15 for measuring the voltage, current and phase of the load by the drawn voltage and current, and based on the voltage, current and phase, the power factor, the total active power amount, the current active power amount, the total accumulated reactive power amount, and the total accumulated active power amount And a calculation processing unit 14 for calculating data such as the previous month's effective power, the current month's effective power, and the like, and transmitting the obtained data to the data management server 30 and controlling the on / off of the load from the data management server 30. The communication unit 11 receiving the control command, the load control unit 13 for controlling the 'on / off' of the load according to the control command transmitted from the data management server 30, and each phase voltage, each phase current, phase of the load , Station Real-time information on the previous day's active power, current day's active power, total cumulative reactive power, total cumulative active power, previous month's active power, current month's active power, load 'on / off' status and missing phase voltage It consists of a display unit 12, such as an LCD to display.

At this time, the LPMS 10 converts the collected data into a graph form or a table form for each day, month, and year, which are easy for the user to display, and displays the displayed data on the display unit 12 while transferring the data to the user through the user terminal 50. Make sure you can check anytime, anywhere.

The voltage provided in real time through the display unit 12 is the voltage at the load side, the current is the current at the load side, the power factor is a value calculated based on the voltage, current and phase at the load side, the amount of effective power before The amount of active power used from midnight to midnight, the current amount of active power is the amount of active power used from midnight to the day before, the total accumulated active power is the amount of active power used since installation, and the total amount of reactive reactive power is used up to the present after installation. The amount of power.

Here, the communication success rate between the LPMS 10 and the data management server 30 having the communication unit 31, the data processing unit 32, the database 33, and the like is good, that is, the LPMS 10 and the data management server ( If the distance between 30) is within 500 m, which is a short distance, only the master modem 40 is installed. However, if the communication success rate is not good or the distance is long, an additional data repeater 60 is installed as shown in the drawing to show the LPMS (10). ) And the data management server 30 compensates for the amount of attenuation of data transmitted between each other.

The user terminal 50 has a TOU (Time Of Used) function that can manage the 'on / off' schedule of the daily, weekly, weekly, specific day load at a remote location based on Wi-Fi or 3G communication In the case of a smart phone 51, an application can be downloaded in real time to manage a load or check event information and manage a schedule. In the case of a wired / wireless Internet-based PC / laptop PC 52, You can manage the load anytime, anywhere.

In addition, the present invention uses the voltage and current modified (transformed, current) at the switchboard side with the distribution panel as a power source, voltage, current, phase, power factor, active power amount, reactive power amount, maximum demand power on the switchboard side and load side When the digital centralized control device Smart-eye 20 which measures, calculates, and displays the light is installed on the front panel of the switchgear, information such as control and various alarms of switchgear equipment according to a control command from the data management server 30 is provided. Can be collected and displayed.

The digital concentration control device Smart-eye (20) for this purpose is a measurement unit 21 for measuring the voltage and current on the switchboard side and the load side, and the phase, power factor, effective power amount on the switchboard side and the load side based on the voltage and current. An arithmetic processing unit 22 for calculating an amount of reactive power, a maximum demand power, and the like, a communication unit 24 for transmitting the obtained data to the data management server 30 and receiving a control command for controlling switchgear from the data management server 30; The control unit 23 for controlling the switchboard according to the control command transmitted from the data management server 30 and the voltage, current, phase, power factor, effective power amount, reactive power amount, maximum demand power, various alarms, etc. on the switchboard side and the load side. And a display unit 25 such as an LCD for displaying information.

Here, the voltage provided through the display unit 25 is the primary voltage before modification of the switchgear and the secondary voltage after the modification of the load side, the current is the primary current before the modification of the switchgear and the secondary current after the modification on the load side, The power factor is a value calculated based on the voltage, current and phase of the load side, the phase is the phase between the voltage and the current between the voltage, the effective power amount is the amount of effective power used through the voltage and current of the switchgear, and the reactive power is the voltage of the switchgear. The amount of reactive power used through overcurrent, and the maximum demand power is the maximum demand power calculated in units of 15 minutes.

1: Load Breaker 5: Clamp CT
10: LPMS 11, 24, 31: communication unit
12, 25: display unit 13: load control unit
14, 22: arithmetic processing unit 15, 21: measuring unit
20: Digital concentration control device Smart-eye 23: Control unit
30: data management server 32: data processing unit
33: Database 40: Master Modem
50: user terminal 51: smartphone
52: PC / Notebook PC 60: Data Repeater

Claims (10)

delete delete delete delete delete Clamp on current transformer (CT) 5 which is installed in the panel panel and draws voltage from the primary side of the load breaker 1 installed on the load side and draws current from the secondary side of the load breaker 1; Power factor from the phase and the phase current drawn by the clamp CT (5), the power factor from the phase, the total active power amount, the current active power amount, the total cumulative reactive power amount, the total accumulated active power amount, the previous month active power amount, LPMS (Load Power Management System) (10) for controlling the load by operating the load breaker (1) by receiving and receiving a control command from the data management server (30) by calculating and displaying data such as the current effective amount of power; From the LPMS 10 through the master modem (master modem) 40, the voltage, current, phase, power factor of the load, the amount of active power of the day, the amount of active power of the present day, the total amount of reactive reactive power, the total amount of effective active power, Data management that provides data to users after receiving data such as active power amount and current monthly active power amount, and controls the 'on / off' of the load according to the 'on / off' schedule of the load set by the user. Voltage, current, phase, power factor, active power amount of day, active power amount of day, total cumulative reactive power amount, total cumulative active power amount, last month active power amount of loads built in server 30 and data management server 30, Switchboard and distribution panel load power using ISG-LPMS, comprising a user terminal 50 based on a web service that checks data such as the current effective amount of electricity in real time and manages the 'on / off' schedule of the load In the management system,
The user terminal 50 is a smart phone 51 based on Wi-Fi or 3G communication, and can download an application in real time to manage load or check event information and manage schedules. Switchgear and distribution panel load power management system using ISG-LPMS.
delete The method of claim 6,
Switchgear and distribution panel load power using ISG-LPMS, further comprising a data repeater (60) for compensating the amount of attenuation of data transmitted from the LPMS (10) to the data management server (30) Management system.
The method of claim 6,
It is installed on the front panel of the switchgear and uses the modified voltage and current on the switchgear side as the power source, and the voltage, current, phase, power factor, active power, reactive power, and maximum demand power on the switchboard and load side. The digital centralized control device Smart-eye 20 is further provided to measure, calculate, and display the digital centralized control device Smart-eye 20. The digital centralized control device Smart-eye 20 controls the switchboard facilities according to the control command from the data management server 30. And switchgear and distribution panel load power management system using ISG-LPMS, characterized in that to collect and display information such as various alarms.
The method of claim 6 or 9,
The digital concentration control device Smart-eye 20, the measurement unit 21 for measuring the voltage and current on the switchboard side and the load side;
An arithmetic processing unit 22 for calculating the phase, power factor, effective power amount, reactive power amount, maximum demand power, and the like on the distribution panel side and the load side based on the voltage and current measured by the measuring unit 21;
A communication unit 24 which transmits the data obtained by the measurement unit 21 and the arithmetic processing unit 22 to the data management server 30 and receives a control command for controlling switchgear from the data management server 30;
A control unit 23 for controlling the switchboard according to a control command transmitted from the data management server 30 through the communication unit 24; And
A display unit 25 for displaying information such as voltage, current, phase, power factor, effective power amount, reactive power amount, maximum demand power, and various alarms on the switchboard side and the load side; Switchgear and distribution panel load power management system using ISG-LPMS comprising a.

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