CN105071536A - Intelligent distribution transformer area system - Google Patents

Abstract

An intelligent distribution station area system. Provided is an intelligent distribution area system that unifies a distribution automation device and an intelligent distribution terminal, facilitates management, and realizes stable and reliable operation of a power grid. It includes a power distribution system, a transformer, a load and an intelligent distribution station area terminal. The transformer is connected between the power distribution system and the load. The high-voltage side is between the power distribution system and the transformer. The room is the low-voltage side; the intelligent distribution station area terminal is connected to the substation monitoring center. The intelligent distribution station area terminal includes a distribution automation device and an intelligent distribution transformer terminal. The distribution automation device is connected to the high-voltage side and is used for the simulation of the high-voltage side The intelligent distribution transformer terminal is connected to the low-voltage side for the acquisition, transmission and control of the analog quantity and state quantity of the low-voltage side; the intelligent distribution transformer terminal has a built-in distribution automation module for power distribution Automation device control. The invention is convenient for operation maintenance and unified management.

Description

An intelligent distribution station system

technical field

The invention belongs to the technical field of comprehensive electric power monitoring in the electric power industry, and in particular relates to an intelligent distribution station area terminal suitable for intelligent distribution networks of urban and rural power grids.

Background technique

With the rapid development of society and the continuous improvement of people's material and cultural living standards, the demand for power is increasing, and power users have higher and higher requirements for power supply reliability and power quality, and power quality monitoring and governance have begun to receive attention. , and gradually have research and application.

As the end of the power supply in the power system, the distribution network directly communicates with users. Whether the distribution network can operate safely and economically is directly related to the vital interests of the general public, and also directly affects the operating costs and energy-saving goals of the power sector. At present, the power grid structure of my country's distribution network is still relatively weak, the facilities are relatively old, there are many hidden dangers of accidents, and the operation and maintenance are inconvenient.

At present, there are problems such as single function, low reliability, and inability to realize information interaction in the existing distribution station terminals, which affect the power supply reliability and operation safety of the distribution network. Therefore, there is an urgent need for a more powerful intelligent distribution transformer terminal to meet the needs of intelligence, automation, and informatization of the power grid, making the distribution network more secure, stable, and economical.

Contents of the invention

Aiming at the above problems, the present invention provides an intelligent distribution area system that unifies the distribution automation device and the intelligent distribution terminal, facilitates management, and realizes stable and reliable operation of the power grid.

The technical solution of the present invention is: including a power distribution system, a transformer, a load and an intelligent distribution station terminal, the transformer is connected between the power distribution system and the load, and the high voltage side is between the power distribution system and the transformer , between the transformer and the load is the low-voltage side;

The smart distribution station area terminal is connected to the substation monitoring center, and the smart distribution station area terminal includes a distribution automation device and an intelligent distribution transformer terminal,

The distribution automation device is connected to the high-voltage side, and is used for collecting, transmitting and controlling the analog quantity and state quantity of the high-voltage side;

The intelligent distribution transformer terminal is connected to the low-voltage side, and is used for collecting, transmitting and controlling the analog quantity and state quantity of the low-voltage side;

The smart distribution transformer terminal has a built-in distribution automation module for controlling the distribution automation device.

The distribution automation device includes a data acquisition module 1, a data processing module 1, a control and operation module 1 and a communication module 1,

The data acquisition module 1, the data processing module 1, the control and operation module 1 and the communication module 1 are sequentially connected, the data acquisition module 1 is used for signal acquisition, and the data processing module 1 is used for processing the collected signals to obtain Control quantity 1, the control and operation module 1 performs control operations through the control quantity 1, and the communication module 1 is used for local communication and remote communication;

The intelligent distribution transformer terminal includes a data collection module 2, a data processing module 2, a control and operation module 2, a communication module 2, a reactive power compensation module, a power quality monitoring module, a power consumption information collection module, and a distributed energy access monitoring module , three-phase unbalance control module and leakage monitoring module,

The data collection module 2, the data processing module 2, the control and operation module 2 and the communication module 2 are sequentially connected, the data collection module 2 is used for signal collection, and the data processing module 2 is used for processing the collected signals to obtain Control quantity 2, the control and operation module 2 performs control operation through the control quantity 2, and the communication module 2 is used for local communication and remote communication;

The second data processing module is respectively connected to the reactive power compensation module, the power quality monitoring module, the power consumption information collection module, the distributed energy access monitoring module, the three-phase unbalance control module and the leakage monitoring module;

The reactive power compensation module is used to realize automatic switching of capacitors and monitor the state of capacitor banks in real time;

The power quality monitoring module is used to monitor the power quality of the power distribution station area;

The power consumption information acquisition module is used to realize the power information collection of the power distribution station area, including the data collection of the electric energy meter, the working condition of the electric energy metering device, and the monitoring of the electric load and electric energy;

The distributed energy access monitoring module is used to monitor and control the user-side distributed power system connected to the public power grid;

The three-phase unbalance control module is used to control the three-phase unbalance adjustment and compensation device;

The leakage monitoring module is used to realize the leakage protection of the platform system.

The intelligent distribution transformer terminal also includes an environmental monitoring module, which includes sensors for processing and analyzing environmental parameters around the substation.

The communication module 1 and the communication module 2 respectively include RS232/RS485/CAN communication module, local area network wireless communication ZIGBEE module, and remote communication GPRS module; and are equipped with USB interface.

The intelligent distribution station area terminal also includes a WIFI module.

The power distribution automation device is connected to the incoming switch, and the intelligent distribution transformer terminal is respectively connected to a residual current including switch, a meter reading concentrator and a three-phase unbalance adjustment and compensation device.

The intelligent distribution station terminal in the present invention includes a distribution automation device and an intelligent distribution transformer terminal, and the two are combined to respectively collect, process and control signals on the high-voltage side and the low-voltage side, making it more intelligent and information-based;

The distribution automation device realizes the collection of analog quantities and state quantities on the high-voltage side, and transmits the data remotely to realize functions such as on-site control of switches, fault detection and fault isolation;

The intelligent distribution transformer terminal realizes comprehensive monitoring of the distribution transformer, monitors the residual current value and operating status of the residual current action protector, the switch status of the incoming and outgoing lines in the distribution station area, and the switching status of the capacitor, and realizes the power information of the distribution station area Acquisition, power quality management and line loss analysis and calculation, etc.

At the same time, the smart distribution transformer terminal has a built-in distribution automation module, which can realize the control of the distribution automation device; it can realize the function of monitoring the running status of the high-voltage side, realize the functions of local control of the high-voltage side switch, fault detection and fault isolation, and operate Convenient and reliable.

The invention organically integrates the functions of power distribution automation, distribution transformer monitoring, metering, power consumption information collection, power quality monitoring, reactive power optimization control compensation, power quality adjustment, and residual current protection, and is applied to low-voltage power distribution systems , which is convenient for operation, maintenance and unified management.

Description of drawings

Fig. 1 is a structural representation of the present invention,

Fig. 2 is a system structure diagram of the present invention;

In the figure, 1 is a transformer, and 2 is an intelligent distribution station terminal.

detailed description

As shown in Figure 1-2, the present invention includes a power distribution system, a transformer 1, a load and an intelligent distribution station terminal 2, the transformer is connected between the power distribution system and the load, the power distribution system and the transformer between the high voltage side and between the transformer and the load is the low voltage side;

The smart distribution station area terminal is connected to the substation monitoring center, and the smart distribution station area terminal includes a distribution automation device and an intelligent distribution transformer terminal,

The distribution automation device is connected to the high-voltage side, and is used for collecting, transmitting and controlling the analog quantity and state quantity of the high-voltage side;

The intelligent distribution transformer terminal is connected to the low-voltage side, and is used for collecting, transmitting and controlling the analog quantity and state quantity of the low-voltage side;

The smart distribution transformer terminal has a built-in distribution automation module for controlling the distribution automation device.

The distribution automation device includes a data acquisition module 1, a data processing module 1, a control and operation module 1 and a communication module 1,

The data acquisition module 1, the data processing module 1, the control and operation module 1 and the communication module 1 are sequentially connected, the data acquisition module 1 is used for signal acquisition, and the data processing module 1 is used for processing the collected signals to obtain Control quantity 1, the control and operation module 1 performs control operations through the control quantity 1, and the communication module 1 is used for local communication and remote communication;

The intelligent distribution transformer terminal includes a data collection module 2, a data processing module 2, a control and operation module 2, a communication module 2, a reactive power compensation module, a power quality monitoring module, a power consumption information collection module, and a distributed energy access monitoring module , three-phase unbalance control module and leakage monitoring module,

The data collection module 2, the data processing module 2, the control and operation module 2 and the communication module 2 are sequentially connected, the data collection module 2 is used for signal collection, and the data processing module 2 is used for processing the collected signals to obtain Control quantity 2, the control and operation module 2 performs control operation through the control quantity 2, and the communication module 2 is used for local communication and remote communication;

The second data processing module is respectively connected to the reactive power compensation module, the power quality monitoring module, the power consumption information collection module, the distributed energy access monitoring module, the three-phase unbalance control module and the leakage monitoring module;

The reactive power compensation module is used to realize automatic switching of capacitors and monitor the state of capacitor banks in real time;

The power quality monitoring module is used to monitor the power quality of the power distribution station area;

The power consumption information acquisition module is used to realize the power information collection of the power distribution station area, including the data collection of the electric energy meter, the working condition of the electric energy metering device, and the monitoring of the electric load and electric energy;

The distributed energy access monitoring module is used to monitor and control the user-side distributed power system connected to the public power grid;

The three-phase unbalance control module is used to control the three-phase unbalance adjustment and compensation device;

The leakage monitoring module is used to realize the leakage protection of the platform system.

The intelligent distribution transformer terminal also includes an environmental monitoring module, which includes sensors for processing and analyzing environmental parameters around the substation.

The communication module 1 and the communication module 2 respectively include RS232/RS485/CAN communication module, local area network wireless communication ZIGBEE module, and remote communication GPRS module; and are equipped with USB interface.

The intelligent distribution station area terminal also includes a WIFI module.

The power distribution automation device is connected to the incoming switch, and the intelligent distribution transformer terminal is respectively connected to a residual current including switch, a meter reading concentrator and a three-phase unbalance adjustment and compensation device.

The intelligent distribution station area terminal is the core part of the entire distribution station area, which is composed of a distribution automation device and an intelligent distribution transformer terminal.

The intelligent distribution station area terminal in the present invention can control and monitor each device in the distribution station area. 1. It can collect analog quantities and state quantities on the high-voltage side, and upload measurement data and state data to realize remote monitoring. 2. It can realize the local control function of the high-voltage side switch, and the local or remote setting action setting function. 3. It can control the three-phase unbalance adjustment and compensation device, realize the switching action of the capacitor bank, and realize the mixed compensation mode of three-phase co-compensation, phase-separated compensation or a combination of three-phase co-compensated and phase-separated compensation. The state of the capacitor bank is monitored. 4. It can realize the control and monitoring of the outlet switch. The outlet switch is equipped with a residual current action protector, which has communication function and short-circuit breaking capacity. 5. The power consumption information in the concentrator and collector can be uploaded to the master station control center through remote communication. Realize the collection of power information, power quality management and line loss analysis and calculation in the distribution station area. 6. Process and analyze the environmental parameters around the substation through external sensors to detect changes in the surrounding environment.

As shown in Figure 2, the main control unit of the intelligent distribution station terminal equipment adopts the mainstream industrial-grade 32-bit ARM9 core microprocessor to build a unified core hardware platform; the hardware functions adopt a modular design, and each hardware module is relatively independent , interchangeability and versatility; hardware modules have self-diagnosis and self-recovery capabilities.

1. The invention patent adopts industrial-grade ARM9 and DSP processors, adopts the smallest system to be inserted on the main board, and the overall work efficiency is improved. Each hardware module adopts a modular design, which is relatively independent, interchangeable and universal;

2. FPGA/CPLD expansion I/O interface is adopted on the main board of the device of the present invention, and the memory includes DDR2SDRAM and NANDFLASH;

3. The communication module of the device of the present invention includes a RS232/RS485/CAN communication module, a local area network wireless communication ZINGBEE module, and a remote communication GPRS module. And equipped with USB interface;

4. The device has a built-in WIFI module, which supports the user to perform data interaction with the terminal device through the handheld device, avoiding the pole operation;

5. The device of the present invention is equipped with an LCD screen with a touch function and a rich human-computer interaction interface, and the human-computer interaction is convenient, simple and fast.

As shown in Figure 2, the device software of the present invention uses a real-time embedded Linux operating system to build a unified system platform, which has better rapidity, stability and reliability. Embedded SQLite database technology is adopted to realize unified management and storage of data.

1. Data acquisition module; this module collects the collected voltage, current and other signals, and isolates them and sends them to the CPU.

2. Data processing module; this module processes the collected data and feeds back the processing results to other modules through the CPU.

3. Reactive power compensation module; the reactive power compensation module realizes automatic switching of capacitors and real-time monitoring of the status of capacitor banks. In order to realize the control and automatic regulation of reactive power, voltage and power factor.

4. Environmental monitoring module; this module processes and analyzes the environmental parameters around the substation through external sensors, thereby detecting changes in the surrounding environment.

5. Control and operation module; this module obtains the control quantity through the data processing module, and realizes the control operation of the outlet switch, etc.

6. Power quality monitoring module; this module realizes the monitoring of power quality in the distribution station area, including voltage, current, reactive power, etc., and feeds back the information to the CPU.

7. Power consumption information acquisition module; this device realizes the power information collection of the distribution station area, including the data collection of the electric energy meter, the working condition of the electric energy metering device, and the monitoring of the electric load and electric energy.

8. Distributed energy access monitoring module; monitor and control the user-side distributed power system connected to the public power grid. The access of the distributed power generation to the public grid can be controlled through the command of the master station.

9. Leakage monitoring module; this module realizes the leakage protection of the station area system.

10. Communication module; this module realizes the processing of communication, including local communication and long-distance communication.

11. Power distribution automation module; this module can realize the function of monitoring the running status of the high voltage side, realize the functions of local control of the high voltage side switch, fault detection and fault isolation, etc.

12. Three-phase unbalance control module; used to control the three-phase unbalance adjustment and compensation device.

This device has the following functions:

Distribution automation device functions:

1. It has the function of collecting analog and state quantities on the spot, and has the function of remote transmission of measurement data and state data;

2. With switch local control function;

3. It has the function of local or remote setting action setting value;

4. Possess fault action function and on-site throwing and withdrawing function;

5. It has the function of dual-position remote signal processing, and supports the priority transmission of remote signal displacement;

6. It has the function of setting the telemetry dead zone range;

7. With fault detection and fault discrimination functions, it can quickly identify and isolate faults when a fault occurs;

8. It has the functions of manual reset, automatic reset and remote reset of the master station, and can automatically reset according to the set time or line after the normal power supply is restored, and can also automatically select the reset method according to the nature of the fault (transient or permanent);

9. Possess the function of uploading the load over-limit alarm;

10. Possess the line pressure identification function;

11. With serial port and network communication interface;

12. It has time synchronization function, supports SNTP and other time synchronization methods, receives time synchronization commands from the master station or other time synchronization devices, and keeps synchronized with the master station clock;

13. Have the ability to provide supporting power for communication equipment and switches at the same time;

14. Possess single-phase ground fault detection, alarm and action functions;

15. Possess the function of receiving status monitoring, standby and automatic switching and other device data.

Intelligent distribution transformer terminal:

1. Distribution transformer monitoring and protection

a) The main types of monitoring data are:

AC analog quantity: including voltage, current, active power, reactive power, power factor, etc. (with wave recording function, and can be displayed in the form of curves or graphs);

Electric energy data: including total electric energy indication value, electric energy indication value of each tariff rate, total electric energy, electric energy of each tariff rate, maximum demand, etc.;

Electric energy statistical data: including voltage pass rate, three-phase unbalance, voltage fluctuation and flicker. Temporary or transient overvoltage, voltage sag/interruption/swell, 2nd to 25th harmonic component of voltage (current), harmonic content rate and total distortion rate, frequency deviation, load rate and power supply continuity, etc. statistics data;

b) It has multiple protection/warning functions such as overvoltage protection, overcurrent protection, overload protection, undervoltage protection, and overheat protection, and completes record storage and reporting at the same time;

2. User electricity consumption information monitoring; realize the collection of electric energy information in the distribution station area, including the data collection of electric energy meters, the working condition of electric energy metering devices, the monitoring of power supply power quality, and the monitoring of electric load and electric energy, and process relevant data storage, management and transmission;

3. Distribution transformer meter monitoring; realize comprehensive management of smart energy meters in public distribution stations, assess the effectiveness of its measurement, analyze, judge, warn and complete relevant information transmission for abnormal operating conditions of smart energy meters;

4. Monitoring of the residual current action protector; realize the monitoring of the operating status of the residual current action protector and the value of the residual current, with the functions of recording, storing and uploading;

5. Status monitoring: Realize the monitoring of distribution transformer oil temperature and gas concentration, the status of outlet switches in the station area, the operation status of capacitors and intelligent distribution transformer terminals, etc., with abnormal alarm function;

6. Load management: comprehensively control and manage the load in the distribution station area, and realize the functions of transformer power fixed value control, electric power fixed value control, rate fixed value control and remote direct control;

7. Power quality management; support dynamic reactive power compensation mode, fast and dynamic compensation for reactive power in the distribution station area, and control the three-phase unbalanced load in the station area;

8. Line loss calculation; realize on-site analysis and calculation of line loss and variable loss in the distribution station area. When the line loss exceeds the set threshold value, it can alarm according to the preset alarm method;

9. Economic operation analysis; by analyzing the three-phase load of distribution transformers, investigate the operating voltage and three-phase load balance, and analyze the economic operation of transformer lines;

10. Safety protection

a) Anti-theft: real-time monitoring of distribution transformers and other key facilities of transformers, timely upload of abnormal information detected, and inform relevant personnel of the name and location of abnormal facilities;

b) Anti-stealing of electricity: Real-time online monitoring of electricity consumption information in the distribution station area, start the abnormal processing process after abnormalities are found, and report abnormal electricity consumption information to the police in time to prevent the occurrence of electricity theft;

c) Information security: use the hardware security module approved by the State Cryptography Administration and meet the requirements of the Q/GDW377 standard to realize the encryption and decryption of data storage and transmission in the distribution station area, and ensure the accuracy, reliability and security of the data;

11. Interactive management; provide access methods such as wireless connections, and complete two-way data interaction with maintenance personnel and users; guide users to adopt reasonable power consumption structures and methods through electricity price strategies, and improve the utilization efficiency of power resources;

12. Distributed power access management; monitor and control the user-side distributed power system connected to the public power grid;

13. Asset management; realize the "identity" management of the main equipment in the distribution station area;

14. Video monitoring: monitor the safe operation of the distribution station area through the image sensor, and send abnormal information and pictures such as police information at any time;

15. Environmental monitoring: monitor the temperature and humidity information of outdoor distribution boxes, distribution stations and box-type substations (including integrated intelligent combined substations) in real time through temperature and humidity sensors;

16. Event and alarm processing; by configuring auxiliary equipment such as sounding and lighting, it can alarm various events and accidents in the distribution station area, and can realize automatic recording, recalling and uploading of events and accidents;

17. Human-computer interaction; the human-machine interface is clear and easy to understand, and the operation is convenient and simple; it provides rich light indication information to make the operation information display of the distribution station more intuitive;

Advantages of the present invention:

1. The present invention deepens and expands the functions of power distribution monitoring, control, protection, and power quality management in the existing distribution transformer area, and at the same time has interactive management, support for new energy access, convenient and humanized human-computer interaction, etc. , realizing the intelligence of the distribution station area;

2. This device monitors the distribution transformer meter meter, residual current action protector monitoring, state monitoring, load management, dynamic reactive power compensation/three-phase unbalance control, safety protection, interactive management, asset management, video surveillance, Functions such as environmental monitoring and distributed power access management are organically integrated, thereby improving power supply efficiency and facilitating operation, maintenance and unified management;

3. The invention of this device enables the distribution area to realize intelligence, automation, and informatization, thereby meeting the requirements of the intelligent distribution area, and is an important equipment for realizing the intelligent distribution network;

4. The device adopts modular design, and each hardware module has relative independence, interchangeability and versatility;

5. Standardized interfaces are adopted between the modules of the device, and a unified standard communication protocol is adopted to realize "plug and play";

6. The input and output channels of this device are all isolated by optocouplers, which realizes the effective isolation of strong current and weak current, which greatly improves the reliability and stability of the system;

7. The software system of this device is divided into three layers: the operating system layer is the software platform for the operation of terminal applications, which realizes multi-task, multi-process scheduling and system hardware resource management of application software; the business support layer provides real-time data support for application software, And communication management, task scheduling and storage management, etc., and database operation management; the application function layer realizes functions such as application software data analysis, communication protocol analysis, event processing, carrier (small wireless) meter reading algorithm and man-machine interface;

8. The device of the present invention has a built-in WIFI module, which supports the user to perform data interaction with the terminal device through the handheld device, avoiding the operation of boarding the pole;

9. The device of the present invention realizes the opening and closing control of the high-voltage side switch, has software and hardware anti-misoperation measures, ensures the reliability of the control operation, and provides an obvious disconnection point for the control output circuit;

10. The device of the present invention can monitor the state of high-voltage side equipment, including switch position, non-energy storage position, fuse working condition, lightning arrester working condition, cable joint working condition, insulation aging and other state monitoring, and can realize remote monitoring, which greatly improves Facilitate the operation and maintenance work;

11. The device of the present invention can control and exchange information with the distribution automation device through the intelligent distribution transformer terminal, which facilitates on-site operation and maintenance.

The invention organically integrates the functions of power distribution automation, distribution transformer monitoring, metering, power consumption information collection, power quality monitoring, reactive power optimization control compensation, power quality adjustment, and residual current protection, and is applied to low-voltage power distribution systems , Dynamic compensation of reactive power, elimination of harmonic distortion, control of phase voltage asymmetry, elimination of voltage fluctuations and flicker, thus facilitating operation and maintenance and unified management.

Claims (6)

1. An intelligent distribution station area system, characterized in that it includes a power distribution system, a transformer, a load and an intelligent distribution station terminal, the transformer is connected between the power distribution system and the load, and the power distribution The high-voltage side is between the system and the transformer, and the low-voltage side is between the transformer and the load; The smart distribution station area terminal is connected to the substation monitoring center, and the smart distribution station area terminal includes a distribution automation device and an intelligent distribution transformer terminal, The distribution automation device is connected to the high-voltage side, and is used for collecting, transmitting and controlling the analog quantity and state quantity of the high-voltage side; The intelligent distribution transformer terminal is connected to the low-voltage side, and is used for collecting, transmitting and controlling the analog quantity and state quantity of the low-voltage side; The smart distribution transformer terminal has a built-in distribution automation module for controlling the distribution automation device. 2. A kind of intelligent distribution station area system according to claim 1, characterized in that, the distribution automation device comprises a data acquisition module one, a data processing module one, a control and operation module one and a communication module one, The data acquisition module 1, the data processing module 1, the control and operation module 1 and the communication module 1 are sequentially connected, the data acquisition module 1 is used for signal acquisition, and the data processing module 1 is used for processing the collected signals to obtain Control quantity 1, the control and operation module 1 performs control operations through the control quantity 1, and the communication module 1 is used for local communication and remote communication; The intelligent distribution transformer terminal includes a data collection module 2, a data processing module 2, a control and operation module 2, a communication module 2, a reactive power compensation module, a power quality monitoring module, a power consumption information collection module, and a distributed energy access monitoring module , three-phase unbalance control module and leakage monitoring module, The data collection module 2, the data processing module 2, the control and operation module 2 and the communication module 2 are sequentially connected, the data collection module 2 is used for signal collection, and the data processing module 2 is used for processing the collected signals to obtain Control quantity 2, the control and operation module 2 performs control operation through the control quantity 2, and the communication module 2 is used for local communication and remote communication; The second data processing module is respectively connected to the reactive power compensation module, the power quality monitoring module, the power consumption information collection module, the distributed energy access monitoring module, the three-phase unbalance control module and the leakage monitoring module; The reactive power compensation module is used to realize automatic switching of capacitors and monitor the state of capacitor banks in real time; The power quality monitoring module is used to monitor the power quality of the power distribution station area; The power consumption information acquisition module is used to realize the power information collection of the power distribution station area, including the data collection of the electric energy meter, the working condition of the electric energy metering device, and the monitoring of the electric load and electric energy; The distributed energy access monitoring module is used to monitor and control the user-side distributed power system connected to the public power grid; The three-phase unbalance control module is used to control the three-phase unbalance adjustment and compensation device; The leakage monitoring module is used to realize the leakage protection of the platform system. 3. A kind of intelligent distribution substation system according to claim 2, characterized in that, the intelligent distribution transformer terminal also includes an environmental monitoring module, the environmental monitoring module includes a sensor for monitoring the environmental parameters around the substation Perform processing analysis. 4. A kind of intelligent distribution area system according to claim 2, characterized in that, said communication module one and communication module two respectively comprise RS232/RS485/CAN communication module, local area network wireless communication ZIGBEE module, and remote communication GPRS module; and equipped with a USB interface. 5. An intelligent distribution station system according to claim 1, characterized in that, the intelligent distribution station terminal further includes a WIFI module. 6. An intelligent distribution station area system according to claim 1, characterized in that, the distribution automation device is connected to the incoming line switch, and the intelligent distribution transformer terminal is respectively connected to a residual current including switch and a meter reading concentrator And three-phase unbalance adjustment device.