CN209149102U

CN209149102U - A kind of chromacoder for the emulation of electricity net safety stable control strategy

Info

Publication number: CN209149102U
Application number: CN201821622267.4U
Authority: CN
Inventors: 刘红岩; 方连航; 梁钰; 林道鸿; 万信书; 林明健; 吴强
Original assignee: Electric Power Research Institute of Hainan Power Grid Co Ltd
Current assignee: Electric Power Research Institute of Hainan Power Grid Co Ltd
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2019-07-23
Anticipated expiration: 2028-09-30

Abstract

The utility model provides a kind of chromacoder for the emulation of electricity net safety stable control strategy, including signal cross box, signal cross box input terminal is electrically connected with emulating host computer, output end is electrically connected with external device, power module is equipped in the signal conversion box body, controller, A/D interpreter, D/I module, D/O module, A/D module, D/A module, operational amplifier, emulating host computer and A/D module, A/D interpreter, controller, D/A module, operational amplifier is successively electrically connected, emulating host computer also with D/I module, controller, D/O module is successively electrically connected, the operational amplifier, D/O module is electrically connected with external device, the power module is said elements power supply.The utility model can effectively promote the signal conversion rate of emulation platform and extraneous real equipment.

Description

A kind of chromacoder for the emulation of electricity net safety stable control strategy

Technical field

The utility model relates to digital simulation technique fields, more particularly to a kind of electricity net safety stable control strategy that is used for imitate Genuine chromacoder.

Background technique

With asking for the electromagnetic transient analysis fields such as the continuous expansion of electric system scale and electric network fault, switching overvoltage It inscribes the influence to system voltage gradually to show, needs to establish a set of electricity net safety stable control for taking into account simulation scale and simulation accuracy Strategy Simulation processed is checked, and for improving electric system simulation accuracy of analysis, research electromagnetic transient in detail runs system Dynamic effects etc. will all play the role of it is practical.

At present in the emulation of electricity net safety stable control strategy is checked, the emulation mode generallyd use is to pass through Electromagnetic Simulation Host exports current and voltage data, is controlled by signal cross box external device, and in the process, signal cross box rises Important function, the transmission of electric power signal and feedback carried out by signal cross box, switching device at present on the market is commonly used Electromagnetic type relay, for conversion time in several ms grade, conversion speed is slow, and the requirement of digital real-time emulation is not achieved.

Utility model content

The purpose of this utility model is to provide a kind of signal converting means for the emulation of electricity net safety stable control strategy It sets, to solve the problems mentioned in the above background technology.

The utility model is achieved through the following technical solutions: including signal cross box, the signal cross box input End is electrically connected with emulating host computer, and output end is electrically connected with external device, is equipped with power module, control in the signal conversion box body Device processed, A/D interpreter, D/I module, D/O module, A/D module, D/A module, operational amplifier, the emulating host computer and A/D mould Block, A/D interpreter, controller, D/A module, operational amplifier are successively electrically connected, the emulating host computer also with D/I module, control Device, D/O module are successively electrically connected, and the operational amplifier, D/O module are electrically connected with external device, and the power module is Controller, A/D interpreter, D/I module, D/O module, A/D module, D/A module, operational amplifier power supply.

Preferably, the A/D module includes several ports A/D and A/D port driver, and the D/A module includes several The port D/A and D/A port driver, the D/I module includes several ports D/I and D/I port driver, the D/O module Including several ports D/O and D/O port driver.

Preferably, the emulating host computer is successively electrical connected with several ports A/D, A/D port driver, A/D converter, The A/D converter is successively electrically connected with controller, D/A port driver, several ports D/A, operational amplifier, the emulation Host is also successively electrically connected with several ports D/I, D/I port driver, controller, the controller and D/O port driver, Several ports D/O are successively electrically connected.

Preferably, the controller includes TMS320F2812 type controller, watchdog circuit, storage unit, GPS clock Circuit, the TMS320F2812 type controller are connected with memory cell signal, and the storage unit is by USB2.0 interface and outside Boundary's equipment carries out data transmission.

Preferably, the storage unit uses IS61LV51216 chip, which passes through USB2.0 interface and external device Carry out data transmission.

Compared with prior art, what the utility model reached has the beneficial effect that:

A kind of chromacoder for the emulation of electricity net safety stable control strategy provided by the utility model, for emulation Host and extraneous real power equipment provide a signal ALT-CH alternate channel, can be quick by the Current Voltage analog quantity of emulating host computer It is converted into digital quantity, while after the processing for passing through operational amplifier, extraneous real power equipment is controlled, while this is practical It is also integrated with D/O, D/I module, the on-off model that can directly transmit emulating host computer controls external device, has reaction Time is fast, advantage easy to connect.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred reality of the utility model Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these Figure obtains other attached drawings.

Fig. 1 is a kind of chromacoder for the emulation of electricity net safety stable control strategy provided by the utility model A/D module, D/A module diagram；

Fig. 2 is a kind of chromacoder for the emulation of electricity net safety stable control strategy provided by the utility model D/I module, D/O module diagram.

Specific embodiment

In order to be best understood from the utility model technology contents, specific embodiment is provided below, and practical to this in conjunction with attached drawing It is novel to be described further.

Referring to Fig. 1 and Fig. 2, a kind of chromacoder for the emulation of electricity net safety stable control strategy, including signal Cross box, the signal cross box input terminal are electrically connected with emulating host computer, and signal cross box output end is electrically connected with external device, Signal cross box becomes the communication media of emulating host computer and extraneous real power equipment, is equipped with electricity in the signal conversion box body Source module, controller, A/D interpreter, D/I module, D/O module, A/D module, D/A module, operational amplifier, the emulation master Machine is successively electrically connected with A/D module, A/D interpreter, controller, D/A module, operational amplifier, produced by the emulating host computer Switching signal amount be successively electrically connected with D/I module, controller, D/O module, the operational amplifier, D/O module with the external world Equipment is electrically connected, and by the mutual collaboration of said elements, Current Voltage analog signals caused by emulating host computer are through A/D module It is transmitted to A/D interpreter and carries out A/D conversion, controller is used to carry out logical operation to received digital signal, and by operation knot Fruit after D/A module and operational amplifier amplify, exports the emulating host computer into extraneous real equipment by digital signal Generated on-off model is inputted through D/I module, and is exported through D/O module into external device after via controller parsing, institute Stating power module is controller, A/D interpreter, D/I module, D/O module, A/D module, D/A module, operational amplifier power supply.

Specifically, the A/D module includes several ports A/D and A/D port driver, the D/A module includes several The port D/A and D/A port driver, the D/I module includes several ports D/I and D/I port driver, the D/O module Including several ports D/O and D/O port driver, Current Voltage analog signal amount caused by emulating host computer is through several ends A/D Mouth, A/D port driver, A/D converter are successively electrical connected, the digital signal via controller converted out through A/D converter Be sequentially connected with D/A port driver, several ports D/A, operational amplifier, the emulating host computer also with several ports D/I, D/ I port driver, controller are successively electrically connected, and the controller is successively electrically connected with D/O port driver, several ports D/O.

Specifically, the controller includes TMS320F2812 type controller, watchdog circuit, storage unit, GPS clock Circuit, the TMS320F2812 type controller are connected with memory cell signal, and generated digital signal can will be converted through A/D Stored, and carried out data transmission by USB2.0 interface with external device, watchdog circuit and GPS clock circuit with control Device processed is connected, and watchdog circuit can guarantee that TMS320F2812 type controller, can be after a certain time after entering abnormality It automatically resets and restarts, the GPS clock module is able to achieve the system synchronizing function of digital signal transmission.

Preferably, the storage unit uses IS61LV51216 chip, has capacity big, the fast advantage of storage speed.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model Within the scope of protection.

Claims

1. a kind of chromacoder for the emulation of electricity net safety stable control strategy, including signal cross box, feature exist In the signal cross box input terminal is electrically connected with emulating host computer, and output end is electrically connected with external device, the signal cross box Power module, controller, A/D interpreter, D/I module, D/O module, A/D module, D/A module, operation amplifier are equipped in cabinet Device, the emulating host computer are successively electrically connected with A/D module, A/D interpreter, controller, D/A module, operational amplifier, described imitative Allah's machine is also successively electrically connected with D/I module, controller, D/O module, and the operational amplifier, D/O module are and external device It is electrically connected, the power module is that controller, A/D interpreter, D/I module, D/O module, A/D module, D/A module, operation are put Big device power supply；

The A/D module includes several ports A/D and A/D port driver, and the D/A module includes several ports D/A and D/A Port driver, the D/I module include several ports D/I and D/I port driver, and the D/O module includes several ends D/O Mouth and D/O port driver；

The emulating host computer is successively electrical connected with several ports A/D, A/D port driver, A/D converter, the A/D conversion Device is successively electrically connected with controller, D/A port driver, several ports D/A, operational amplifier, if the emulating host computer also with The dry port D/I, D/I port driver, controller are successively electrically connected, the controller and D/O port driver, several ends D/O Mouth is successively electrically connected.

2. a kind of chromacoder for the emulation of electricity net safety stable control strategy according to claim 1, special Sign is, the controller includes TMS320F2812 type controller, watchdog circuit, storage unit, GPS clock circuit, described TMS320F2812 type controller is connected with memory cell signal, the storage unit by USB2.0 interface and external device into The transmission of row data.

3. a kind of chromacoder for the emulation of electricity net safety stable control strategy according to claim 2, special Sign is that the storage unit uses IS61LV51216 chip, which carries out data by USB2.0 interface and external device Transmission.