CN110661437B

CN110661437B - Excitation rectification complete device in modular mode and production method

Info

Publication number: CN110661437B
Application number: CN201910969546.0A
Authority: CN
Inventors: 李韶阳; 林敦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-12-15
Anticipated expiration: 2039-10-12
Also published as: CN110661437A

Abstract

The invention provides a modularized excitation rectification complete device and a production method thereof, wherein three main modules of the device are respectively a control module CTL, a PI power rectification module and an RT power transformer module. The production method can diversify the series of the variety and the specification of the electric complete equipment manufacturing factory. The same manufacturing system can manufacture hundreds of types of excitation rectification products according to standard specifications. The common functions comprise the same geometric installation size and uniform input and output electrical interfaces, and a building block type structure is formed, so that the installation and the manufacture are simple, convenient and efficient; the control submodule with the characteristic of the opposite-sex function of each functional module can continuously carry out longitudinal deep development, so that the model specification of the product is more and more abundant; the problems of complex installation and debugging, long product manufacturing period and high cost of the traditional production mode of the rectification excitation product are solved.

Description

Excitation rectification complete device in modular mode and production method

Technical Field

The invention belongs to the field of the excitation of motors and engines, the speed regulation of direct current motors, the stepless voltage regulation of alternating current, an adjustable heating power supply and the manufacture of chemical electrolytic plating devices; in particular to a complete set of excitation rectification device in a modular mode and a production method.

Background

The rectification excitation complete equipment is a kind of electrical device with complex structure and considerable technical depth. The traditional product is internally provided with a plurality of plugboards, nearly hundreds of plug-in points, hundreds of electric elements and a plurality of adjusting points, and the installation and debugging are complex. The failure rate is high after long-term operation, and the maintenance service difficulty is also quite large. Because of the wide variety of specifications and the wide range of surface features of applications, traditional manufacturers can manufacture different types of products including the rectifying excitation equipment, and have different design and production operation flows. Therefore, the traditional production mode is quite complicated in installation and debugging, long in product manufacturing period and high in cost. Through in-depth analysis, the basic structure and the functional principle of the product are similar, and the product consists of three basic parts, namely a rectifying component, a functional controller and a rectifying transformer, so that the product has the basic conditions of modular and structured industrial manufacturing.

Disclosure of Invention

The invention provides a modularized excitation rectification complete device and a production method thereof, and solves the problems of quite complicated installation and debugging, long product manufacturing period and high cost in the production mode of the traditional rectification excitation product.

The technical scheme adopted by the invention is as follows:

the utility model provides an excitation rectification integrated equipment of modularization mode, includes PI power rectifier module and the complete set control module CTL of multiple model and specification, the RT power transformer module of multiple model and specification, wherein:

the control module CTL is used for controlling the PI power rectification module, and the various control modules CTL have a common function and a different function, wherein the common function comprises the same phase-shifting control pulse submodule, a communication interface submodule, a power supply submodule and the same electrical interface and installation size, and the different function comprises a rectification excitation control submodule with a preset function, so that excitation rectification complete equipment with different functions can be obtained by replacing CTL modules with different models;

the PI power rectifier module is used for a power output port at the tail end of the whole machine, can select various types and specifications of rectifier power elements, and provides various rectifier modes and various grades of current and voltage according to the control of the control module CTL to form excitation rectifier complete equipment with different specifications and powers;

and the RT power transformer modules in sets of various models and specifications are used for providing power supplies with various powers for the PI power rectifier module.

Through setting up multiple control module CTL, divide into commonality function and opposite sex function with multiple control module CTL for the module in the same level has the duality: on one hand, the common functions comprise the same geometric installation size and uniform input and output electrical interfaces, and a building block type structure is formed, so that the installation and the manufacture are simple, convenient and efficient; on the other hand, the anisotropic function of each functional module can select a control submodule with characteristics to obtain excitation rectification products with various purposes; meanwhile, longitudinal deep development can be continuously carried out, so that the model specifications of the product are more abundant; the PI power rectifier modules provided with various rectifier power components and the RT power transformer modules providing various powers enable the functions of the whole set of device to be combined optionally according to requirements, and the modules in the product platform are assembled in a combined mode, so that rectifier excitation products with different functions can be manufactured conveniently, the serialization and diversification of various specifications manufactured by electrical complete equipment are achieved, and process equipment of the same manufacturing system can manufacture hundreds of specifications of products simply and conveniently; the problems of complex installation and debugging, long product manufacturing period and high cost of the traditional production mode of the rectification excitation product are solved.

According to the technical preference, the rectification excitation control submodule comprises a synchronous generator excitation control submodule, a synchronous motor excitation control submodule, a direct current motor speed regulation device control submodule, an alternating current-direct current stepless voltage regulation control submodule, a controllable rectification general control submodule and a traction power supply control submodule.

Preferably, according to the above-mentioned technique, each model of the control module CTL of the plurality of models of the control module CTL further includes a variety specification of the plurality of powers.

According to the technical preference, the rectification excitation control submodule adopts a microprocessor, a PLC circuit and/or an integrated circuit.

According to the preferable technology, the primary end of the transformer of the RT power transformer module is connected with a power grid; the signal input interface of the PI power rectification module is connected with the output interface of the control module CTL; and an output interface of the PI power rectification module directly drives a terminal load.

According to the technical preference, the PI power rectification module comprises an overvoltage protection submodule, a signal measurement submodule and a rectifier submodule;

the rectifier submodule is used for providing rectifying elements with various specifications so as to achieve multi-parameter voltage and current output;

the overvoltage protection submodule is provided with and integrates a multiple RC overvoltage absorption protection circuit;

the multiple RC overvoltage absorption protection circuit comprises an absorption protection circuit of commutation overvoltage connected with the rectifier in parallel, an absorption protection circuit of atmospheric overvoltage or operation overvoltage connected with the power supply in parallel, a dv/dt suppression protection circuit, an absorption protection circuit of operation overvoltage connected with the direct current output in parallel, an SPD surge protection circuit and a rectifier temperature monitoring circuit;

the signal measurement submodule is used for measuring an electric quantity signal of the PI power rectification module, the electric quantity signal comprises voltage, current, power factor, temperature, conduction angle and phase balance degree, and then the electric quantity signal is sent to a control and display link.

According to the technical preference, the rectifier submodule can form a full-wave full-control rectification component, a full-wave half-control rectification component and the like and a voltage regulating component, and can be combined randomly according to the requirement.

According to the technical preference, the power supply cabinet further comprises an installation cabinet body, the RT power transformer module is fixed at the bottom of the cabinet body, the PI power rectifier module is assembled in the middle of the cabinet body, and the control module CTL is embedded on a panel on the upper portion of the cabinet body.

A production method of a modularized excitation rectification complete device is characterized in that a plurality of control modules CTL of various types of products are prepared, and the plurality of control modules CTL use the same connecting interface; preparing rectifying components with various types of power to form independent PI power rectifying modules; preparing an adjustable RT power transformer module to provide various types of power supplies; and the target control module CTL is selected to be connected with the PI power rectification module, and the RT power transformer module is set to output the required power to supply power to the control module CTL and the PI power rectification module. By the modularized excitation and rectification complete equipment production method and the combined assembly of modules in a product platform, rectification excitation products with different functions can be conveniently manufactured, the serialization and diversification of the variety and specification manufactured by electrical complete equipment are achieved, and hundreds of specifications of products can be simply manufactured by the same manufacturing system.

According to the technical preference, the RT power transformer modules with various models and specifications are customized through the design submodule, the design submodule generates various parameters of the RT power transformer modules through a preset program, and the RT power transformer modules with required specifications are designed according to the parameters.

The invention has the following advantages and beneficial effects:

1. the invention relates to a modularized excitation rectification complete device, which divides a plurality of control modules CTL into a common function and an opposite function by arranging the control modules CTL, so that the modules in the same layer have the binary property: on one hand, the common functions comprise the same geometric installation size and uniform input and output electrical interfaces, and a building block type structure is formed, so that the installation and the manufacture are simple, convenient and efficient; on the other hand, the control submodule with the characteristic of the opposite sex function of each functional module can continuously carry out longitudinal deep development, so that the model specification of the product is richer; the PI power rectification modules of various rectification power components and the RT power transformer modules for providing various powers enable the functions of the whole set of device to be selected and combined at will according to requirements. The combination and assembly of the modules in the product platform can conveniently manufacture the rectification excitation products with different functions, thereby achieving the serialization and diversification of the variety and specification manufactured by the electrical complete equipment, and the same manufacturing system can simply manufacture hundreds of products with the specification; the problems of complex installation and debugging, long product manufacturing period and high cost of the traditional production mode of the rectification excitation product are solved, and the rectification excitation product has good social benefits.

2. The invention relates to a modularized excitation rectification complete device.A rectification power element circuit of the traditional rectification excitation equipment has a structure comprising a large-size radiator, a large air cooling channel and assembly wiring of dozens of discrete elements, so that more than twenty machining processes and electrical installation processes are achieved; the PI power rectifier module is adopted to organically integrate all the power semiconductors into an integrated novel product and is endowed with a plurality of new functions which are not available in the traditional product; the device only needs to be provided with one element, so that the efficiency and the cost of equipment manufacture are greatly optimized; the PI power rectifier module comprehensively exceeds the products of the traditional technology in the aspects of performance, cost performance, usability, interchangeability, advancement and reliability.

3. The invention relates to a production method of a modularized excitation rectification complete device, which adopts a modular building block structure and can flexibly combine equipment with various purposes by a manufacturing method of a series of modular structure rectification devices; all technical functions of the product are integrated into corresponding modules, the technical performance and the reliability are greatly improved, the production and the manufacture become very simple, the cost and the management function are greatly optimized, and the product quality and the performance are more advanced and perfect than the manufacture of the traditional excitation equipment. The invention opens up a brand new direction of the productive service system for the fields of the productive service system, the after-sale maintenance of products and the technical improvement and upgrade.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic diagram of a modular excitation rectifier module according to the present invention;

fig. 2 is a block diagram schematically showing an MEC-AC synchronous motor controller in embodiment 1 of the present invention;

FIG. 3 is a schematic diagram of a PI power rectifier module of the present invention;

fig. 4 is a schematic view of the installation manufacturing process of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

Example 1:

as shown in fig. 1, this embodiment provides a modular excitation rectification complete device, which includes multiple types of control modules CTL, PI (Proportional-Integral Controller) power rectification modules, and RT power transformer modules, where RT is a transformer impedance, and RT power transformer modules represent impedances for rectification or excitation.

The control module CTL is used for controlling the PI power rectification module, and the various control modules CTL have a common function and a different function, wherein the common function comprises the same phase-shifting control pulse submodule, a communication interface submodule, a power supply submodule and the same installation size, and the different function comprises a rectification excitation control submodule with a preset function, so that the various control modules CTL have different functions according to different rectification excitation control submodules and are directly replaced;

the PI power rectification module is used for a power output port at the tail end of the whole machine and comprises a plurality of rectification power components, and the PI power rectification module is controlled by the control module CTL to provide a plurality of rectification modes and a plurality of grades of current and voltage; such as single phase, multiphase, full wave, half wave, full control, etc. The combination of different electrical specifications is arranged under the longitudinal level, the output reaches 0-1000A and 0-600V, and dozens of combinations with different powers are obtained;

and the RT power transformer module is used for providing power of various powers for the PI power rectifier module. In specific implementation, the module comprises transformers with various rectification modes at the transverse level, and different power and specification combinations of connection groups at the longitudinal level. The rectifier transformers of various specifications in the transverse direction and the longitudinal direction can be designed by using computer design software, namely a rectifier transformer design submodule.

For the control signal input interfaces of various control modules CTL and PI power rectification modules, the electrical definition and the geometric dimension are the same and consistent.

The design concept of the invention series is as follows: the commonalities and the dissimilarities of the functions of various rectifying or exciting devices are analyzed, and a series of functional modules are designed. And performing transverse model design according to the functional performance of the product, and performing longitudinal specification and variety design according to the specification performance of the product. The complete equipment manufacturer can carry out modular combined production on the modules according to the requirements of users, and then can manufacture excitation or rectification series complete equipment with different functional and purpose objects and rich model specifications by using the same production flow and technology.

In specific implementation, each model of the control module CTL of the plurality of models of control modules CTL further includes a variety specification of a plurality of powers. The control modules CTL of a plurality of models comprise a synchronous generator excitation controller, a synchronous motor excitation controller, a direct current motor speed regulating device controller, an alternating current-direct current stepless voltage regulating controller, a controllable rectification universal controller and a traction power supply controller, and the specific situation parameter information of each controller is as follows 1:

table 1: series specification of control module CTL

Numbering

CTL1

CTL2

CTL3

CTL4

CTL5

CTL6

Name (R)

Excitation controller of synchronous generator

Synchronous motor excitation controller

Speed-regulating excitation control for DC motor Device for making articles

AC (DC) stepless voltage regulation Controller

Controllable rectification universal controller Device for making articles

Traction power supply control Device for making articles

Type of goods

GLC-01

MEC-AC

MLC-1C

TPC-2

TPR-6

PMR-2

Performance of

The excitation output reaches 0-280V 0- 900ADC

Controlling the power of the host to 2200kW

Control the host to 600kW

Output 0-480V 0- 900A

0-600ADC

0-600A

Number of pulse phases

2, 3 phase, full/half control

3 phase, full control

3 phase (C)

1, 3 phase, single or non-directional,

1, 2, 3, 6, 12

3 phase, full/half control

Control submodule Block function

Excitation, strong excitation, difference regulation, constant voltage/constant current Power factor

De-excitation, strong excitation, inversion and full voltage, constant pressure/constant power factor

Armature speed regulation and excitation

PID and commutation

PID and others

PID and speed regulation

The control module CTL applies the main control sub-modules with different models, and can produce and manufacture complete machine products with various types and specifications. Further, the basic application type broad categories are exemplified by

The GLG synchronous generator excitation controller is a controller of the types of a water turbine generator, a steam turbine generator, a brushless generator and the like under the series, and the corresponding complete product is a GLCA series synchronous generator excitation device;

the MEC synchronous motor excitation controller, the corresponding complete set of products are MEC-A series synchronous generator excitation devices;

the controller of the speed regulating device of the MLC direct current motor is a speed regulating control device of the MLC-IC series direct current motor;

the TRR alternating current (direct current) stepless voltage regulation controller is a PTRR series alternating current/direct current voltage regulation device;

TPR controllable rectification universal controller, the corresponding complete set of products are PTP series R universal rectifying devices;

the TDR traction power supply controller is a PTDR series rectification power supply device and the like.

And each type of control application type is named with various power varieties and specifications, and can cover all varieties of requirements of rectification excitation types.

As shown in fig. 2, the structure of the control module CTL is explained taking an MEC-AC synchronous motor controller as an example. The internal part of the controller is provided with 4 sub-modules, wherein 3 types of the 'phase-shift trigger sub-module', 'communication interface sub-module' and 'power supply sub-module' are all shared by all controllers, and the circuit structure function and the interface are completely the same. The difference lies in a 'control function sub-module', which gives the CTL control different objects, and the controller with various purposes can be manufactured only by replacing the sub-module. For example:

the control function submodule in the synchronous generator controller integrates the special functions of generator control: excitation, field suppression, excitation mode (constant voltage-constant excitation) conversion, reactive power difference adjustment and the like.

The control function submodule in the synchronous motor controller integrates the special function of synchronous motor control: de-excitation, full-voltage operation, automatic excitation, forced excitation, constant power factor setting and the like.

Other models have respective customized control technology functions according to the requirements of the used objects, and are not enumerated one by one.

During specific implementation, the control module CTL adopts an industrial case with standard size, an internal bus adopts unified standard, 3 sub-modules are identical, and controller modules of complete equipment with various models can be manufactured by only replacing different control sub-modules. Each submodule can be produced as an element in a standardized way, which greatly simplifies the design and manufacturing process of the CTL and optimizes quality and cost.

In the specific implementation, complex circuits and elements are installed in the conventionally produced excitation rectifying device. The design of the submodule is integrated into an integrated circuit, a microcomputer and a PLC circuit are adopted in the submodule, a PCB circuit board structure replaces hundreds of elements and wire ends in the traditional operation, and the reliability is greatly improved.

In specific implementation, a primary end of a transformer of the RT power transformer module is connected with a power grid; the signal input interface of the PI power rectification module is connected with the output interface of the control module CTL; and an output interface of the PI power rectification module directly drives a terminal load.

As shown in fig. 3, in a specific implementation, the PI power rectification module includes an overvoltage protection sub-module, a signal measurement sub-module, and a rectifier sub-module;

the rectifier submodule PI is used for providing rectifying elements with various specifications so as to achieve multi-parameter voltage and current output; the rectifier submodule is a core element of the PI power rectifier module, and the controllable direct current output by the high-power silicon rectifier element can reach 900A at most. In practical application, the output voltage and current parameters provided by the equipment requirement are various, so that the longitudinal design of the module also reaches a considerable extent, and hundreds of types of specifications can be selected.

The overvoltage protection submodule is provided with a multiple RC overvoltage absorption protection circuit;

When the rectifier submodule is implemented specifically, the rectifier submodule comprises a full-wave full-control rectifying assembly, a full-wave half-control rectifying assembly and a voltage regulating assembly.

The structure of the rectification power element circuit of the traditional rectification excitation equipment has a large-size radiator, a large air cooling channel, and assembly wiring of dozens of discrete elements, so that more than twenty machining processes and electrical installation processes are achieved. The PI power rectifier module is adopted to organically integrate all power semiconductors into a novel integrated product and is endowed with a plurality of new functions which are not available in the traditional product. The device only needs to be provided with one element, so that the efficiency and the cost of manufacturing the equipment are greatly optimized. The PI power rectifier module comprehensively exceeds the products of the traditional technology in the aspects of performance, cost performance, usability, interchangeability, advancement and reliability.

The PI power rectifier module series products have complete high-power controllable rectification functions, can be used as accessories of the series complete equipment, can also be used as market products of single high-quality rectification components, and are supplied to other electrical equipment manufacturers and technical service providers for use.

Example 2:

a production method of a modularized excitation rectification complete device is characterized in that a plurality of control modules CTL of various types of products are prepared, and the plurality of control modules CTL use the same connecting interface; preparing rectifying components with various types of power to form independent PI power rectifying modules; preparing an adjustable RT power transformer module to provide various types of power supplies; and the target control module CTL is selected to be connected with the PI power rectification module, and the RT power transformer module is set to output the required power to supply power for the PI power rectification module.

In specific implementation, the RT power transformer module provides various types of power supplies and is adjusted by arranging a rectifier transformer design submodule, and the rectifier transformer design submodule adjusts the output voltage and current of the RT power transformer module through a preset subprogram. During specific implementation, the working computer calculates and outputs design parameters of the transformer in real time according to different design sub-modules, carries out drawing design and completes ordering and ordering, and the design parameters are transmitted to a product database of a transformer manufacturer through network transmission to order and place orders. The procedures of the design submodule of the rectifier transformer of the developed RT power transformer module are as follows:

an excitation rectifier transformer calculation program RT-ex 1 of the small synchronous motor;

a calculation program RT-ex 2 of an excitation rectifier transformer of the small synchronous generator;

a calculation program RT-ex 3 of an excitation rectifier transformer of the brushless synchronous motor;

a calculation program RT-ex 4 of a rectifier transformer of a speed regulating device of the direct current motor;

a calculation program RT-ex 5 of a transformer of the AC (DC) stepless voltage regulation device;

a calculation program RT-ex 6 of a rectifier transformer of the controllable rectifying device;

the parameters and the structures of the rectifier transformers for different purposes can be quickly and accurately designed by utilizing the subprogram.

Example 3

As shown in fig. 4, in addition to embodiments 1 and 2, the mounting positions of the modules on the apparatus are assigned: according to the gravity center and heat dissipation requirements, the RT power transformer module is fixed at the bottom of the cabinet body, the PI rectification power module needs to be started and stopped and assembled in the middle of the cabinet body, and the CTL controller module is embedded on a panel on the upper portion of the cabinet body. The power input terminal and the output terminal are installed at the bottom of the cabinet body. The definition of the geometric connection and the electrical interface of the internal modules of each complete machine product is consistent. The base plate of the modular series plant is an international standard electrical cabinet or power distribution cabinet, one of which has representative dimensions of 2240mm 1000mm 800 mm.

Based on the standard and interchangeability of the sizes of the main modules, the sizes of the installation positions in the cabinet body are uniform, the interface definitions among the main modules are consistent, the wiring lengths are also the same, and the modules are manufactured and tested according to a standardized mode and are finished products with complete performance, so that the complex technical debugging is not needed during the assembly and production of the whole machine, and only the comprehensive performance test is needed. Meanwhile, different modules or complete machines are manufactured, the installation tool equipment and the test instrument are the same, and the same production line is used. Therefore, the manufacturing method of the invention greatly improves the production and manufacturing benefits of the excitation or rectification complete equipment.

The invention relates to a manufacturing method of a series of modular structure rectifying devices, which adopts a modular building block structure and can be flexibly combined into equipment with various purposes. All technical functions of the product are integrated into corresponding modules, the technical performance and the reliability are greatly improved, the production and the manufacture become very simple, the cost and the management function are greatly optimized, and the product quality and the performance are more advanced and perfect than the manufacture of the traditional excitation equipment.

Market applications of modularly produced goods:

the control module CTL and the PI rectification power module have complete electrical functions, can be independently supplied to the market as necessary elements of a series complete equipment manufacturer, and can be used as technical core components of products of other equipment manufacturers and technical service providers. The control interface terminals of each module are defined identically, and have good interchangeability and no selectivity. In the operation flow, only a building block method is used for wiring when a product is manufactured, and only an adjusting module is used for changing a product model. No complicated technical solutions have to be considered anymore. Therefore, even a factory without technical background can manufacture the high-technology excitation rectifying equipment by using the module finished product of the invention.

Application of modular production in the direction of a productive service architecture:

the precision and stability of the modular product manufactured according to the method are relatively high. All module components are standard interfaces, the interchangeability is strong, the technical performance and the reliability are greatly improved, and the debugging is not needed on site. This provides an easy solution for market technology services. The module finished product can be independently sold in a supplier manufacturer and a technical service provider, so that after-sale technical maintenance service does not need to take the deep and complicated technical problem into consideration, and only simple element replacement is needed, thereby greatly shortening the maintenance time and reducing the production stop loss. Meanwhile, if a terminal user wants to carry out technical transformation, the terminal user can select and purchase a module finished product with a high specification and a high grade, and can simply and perfectly complete a technical transformation task. The invention opens up a brand new direction of the productive service system for the fields of the productive service system, the after-sale maintenance of products and the technical improvement and upgrade.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an excitation rectification integrated equipment of modularization mode which characterized in that:

including PI power rectifier module and the complete set control module CTL of multiple model and specification, the RT power transformer module of multiple model and specification, wherein:

the control module CTL is used for controlling the PI power rectification module, and the various control modules CTL have a common function and a different function, wherein the common function comprises the same phase-shifting control pulse submodule, a communication interface submodule, a power supply submodule and the same electrical interface and installation size, and the different function comprises a rectification excitation control submodule with a preset function, so that excitation rectification complete equipment with different functions can be obtained by replacing control modules CTL with different models;

the PI power rectification module comprises an overvoltage protection submodule, a signal measurement submodule and a rectifier submodule;

the multiple RC overvoltage absorption protection circuit comprises an absorption protection circuit of commutation overvoltage connected with a rectifier of a rectifier submodule in parallel, an absorption protection circuit of atmospheric overvoltage or operation overvoltage connected with a power supply in parallel, a dv/dt suppression protection circuit, an absorption protection circuit of operation overvoltage connected with a direct current output in parallel, an SPD surge protection circuit and a rectifier temperature monitoring circuit;

the signal measurement submodule is used for measuring an electric quantity signal of the PI power rectification module, the electric quantity signal comprises voltage, current, power factor, temperature, conduction angle and phase balance degree, and then the electric quantity signal is sent to a control and display link;

the RT power transformer modules with various models and specifications are used for providing power supplies with various powers for the PI power rectifier module.

2. A modular field rectifying plant according to claim 1, characterized in that: the rectification excitation control submodule comprises a synchronous generator excitation control submodule, a synchronous motor excitation control submodule, a direct current motor speed regulating device control submodule, an alternating current and direct current stepless voltage regulation control submodule, a controllable rectification general control submodule and a traction power supply control submodule.

3. A modular field rectifying plant according to claim 2, characterized in that: each model of the control module CTL of the plurality of models of the control module CTL further includes a variety specification of a plurality of powers.

4. A modular field rectifying plant according to claim 1, characterized in that: the rectification excitation control submodule adopts a microprocessor, a PLC circuit and/or an integrated circuit.

5. A modular field rectifying plant according to claim 1, characterized in that: the primary end of a transformer of the RT power transformer module is connected with a power grid; the signal input interface of the PI power rectification module is connected with the output interface of the control module CTL; and an output interface of the PI power rectification module directly drives a terminal load.

6. A modular field rectifying plant according to claim 1, characterized in that: the rectifier submodule comprises single-phase and multi-phase voltage regulating assemblies and full-wave, half-wave, full-control and half-control rectifying assemblies.

7. A modular field rectifying plant according to claim 1, characterized in that: still including the installation cabinet body, RT power transformer module fixes the bottom at the cabinet body, PI power rectifier module assembles at cabinet body middle part, control module CTL inlays the dress on the panel on cabinet body upper portion.