Device and method for testing pressure of intelligent substation

Abstract

The invention relates to a device and a method for testing pressure of an intelligent substation, and belongs to the technical field of intelligent substations. The device comprises an upper computer, a CPU (central processing unit), an FPGA (field programmable gate array) and an Ethernet physical layer circuit connected in sequence. A testing environment meeting requirements of an IEC (international electro-technical commission) 6185O specification system is provided, normal sampling values (SV) and GOOSE data can be output, normal system running or grid fault can be simulated, background interference flow data in an SV format and background interference flow data in a GOOSE format can also be output, and further, messages such as IP(internet protocol), ARP(address resolution protocol), ICMP(internet control message protocol) and SNMP(simple network management protocol) can be output to form a general background flow. By filtering and analyzing the SV message or the GOOSE message or the MMS message with the specific APPID, potential safety hazards existing in different load-pressure backgrounds of the specific IED device in the network or network switching devices of the whole process level are found, and safety running level of the intelligent substation is increased.

Description

technical field

[0001] The invention relates to an intelligent substation pressure testing device and method, belonging to the technical field of intelligent substations. Background technique

[0002] Smart substation has the characteristics of intelligent primary equipment and networked secondary equipment. The voltage and current in the secondary equipment system are output by the merging unit. In order to meet the IEC61850 protocol, the optical digital message is transmitted to IED devices such as protection, measurement and control, metering, wave recording, and network recording through optical fiber; protection trip, closing signal, and circuit breaker The device position signal and control signal are transmitted to the corresponding IED device through the optical fiber in the GOOSE message. The network plays an important role in the smart substation. At present, the process layer of some smart substations adopts the method of combining SV, GOOSE, and IEEE1588 time sy...

Examples

Embodiment 1

[0058] The present invention provides an intelligent substation pressure test device, such as Figure 1-Figure 2 as shown,

[0059] Including the host computer, CPU system, FPGA, Ethernet physical layer circuit connected in sequence, further:

[0060] The upper computer is connected with the CPU system through the electrical Ethernet communication interface to realize the man-machine interface and network stress test setting and process control;

[0061] The CPU system is connected to the upper computer and the FPGA, and is connected to the FPGA through the PCIE bus and the control bus to control the data transmission and reception of multiple stress test interfaces;

[0062] FPGA, a large-scale programmable logic device, is connected to the CPU system through the PCIE bus and the local control bus, and is connected to the Ethernet physical layer circuit PHY chip through the MII sending module and MII receiving module to realize the data sending and receiving of the Ethernet ...

Embodiment 2

[0094] Such as Figure 6 as shown, Figure 6 It is a schematic diagram of the stress test of the smart substation in the triple play mode, and the specific process of the stress test can be as follows:

[0095] Step 1: According to the test requirements, the optical Ethernet port of the stress test device is connected to the SV / GOOSE / IEEE1588 integrated network switching device, and the MMS port of the stress test device is connected to the MMS network of the station control layer;

[0096] Step 2: Configure the type, content and flow of packets sent by the optical Ethernet port connected to the SV / GOOSE / IEEE1588 network. It can be set to send SV sampling value, GOOSE message, and general background traffic messages such as IP / ARP / ICMP at the same time.

[0097] The SV sampling value control block can be selected from the SCD total station configuration file, and the simulation merging unit MU outputs effective SV sampling value, which can simulate the SV sampling value data...

Embodiment 3

[0103] Such as Figure 7 as shown, Figure 7 It is a schematic diagram of the connection of the pressure test device of the present invention under the respective networking modes of SV and GOOSE. The test steps are the same as above, except that the test optical Ethernet ports are respectively connected to the SV network and the GOOSE network.

technical field

[0001] The invention relates to an intelligent substation pressure testing device and method, belonging to the technical field of intelligent substations. Background technique

[0002] Smart substation has the characteristics of intelligent primary equipment and networked secondary equipment. The voltage and current in the secondary equipment system are output by the merging unit. In order to meet the IEC61850 protocol, the optical digital message is transmitted to IED devices such as protection, measurement and control, metering, wave recording, and network recording through optical fiber; protection trip, closing signal, and circuit breaker The device position signal and control signal are transmitted to the corresponding IED device through the optical fiber in the GOOSE message. The network plays an important role in the smart substation. At present, the process layer of some smart substations adopts the method of combining SV, GOOSE, and IEEE1588 time sy...

Examples

Embodiment 1

[0058] The present invention provides an intelligent substation pressure test device, such as Figure 1-Figure 2 as shown,

[0059] Including the host computer, CPU system, FPGA, Ethernet physical layer circuit connected in sequence, further:

[0060] The upper computer is connected with the CPU system through the electrical Ethernet communication interface to realize the man-machine interface and network stress test setting and process control;

[0061] The CPU system is connected to the upper computer and the FPGA, and is connected to the FPGA through the PCIE bus and the control bus to control the data transmission and reception of multiple stress test interfaces;

[0062] FPGA, a large-scale programmable logic device, is connected to the CPU system through the PCIE bus and the local control bus, and is connected to the Ethernet physical layer circuit PHY chip through the MII sending module and MII receiving module to realize the data sending and receiving of the Ethernet ...

Embodiment 2

[0094] Such as Figure 6 as shown, Figure 6 It is a schematic diagram of the stress test of the smart substation in the triple play mode, and the specific process of the stress test can be as follows:

[0095] Step 1: According to the test requirements, the optical Ethernet port of the stress test device is connected to the SV / GOOSE / IEEE1588 integrated network switching device, and the MMS port of the stress test device is connected to the MMS network of the station control layer;

[0096] Step 2: Configure the type, content and flow of packets sent by the optical Ethernet port connected to the SV / GOOSE / IEEE1588 network. It can be set to send SV sampling value, GOOSE message, and general background traffic messages such as IP / ARP / ICMP at the same time.

[0097] The SV sampling value control block can be selected from the SCD total station configuration file, and the simulation merging unit MU outputs effective SV sampling value, which can simulate the SV sampling value data...

Embodiment 3

[0103] Such as Figure 7 as shown, Figure 7 It is a schematic diagram of the connection of the pressure test device of the present invention under the respective networking modes of SV and GOOSE. The test steps are the same as above, except that the test optical Ethernet ports are respectively connected to the SV network and the GOOSE network.

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