CN219827040U - Medium-voltage high-capacity wind turbine no-load test platform - Google Patents
Medium-voltage high-capacity wind turbine no-load test platform Download PDFInfo
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- CN219827040U CN219827040U CN202321049226.1U CN202321049226U CN219827040U CN 219827040 U CN219827040 U CN 219827040U CN 202321049226 U CN202321049226 U CN 202321049226U CN 219827040 U CN219827040 U CN 219827040U
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Abstract
The utility model provides a medium-voltage high-capacity wind turbine no-load test platform which comprises a transformer, a breaker A, a breaker B, a wire inlet reactor, a power unit, a dv/dt filter, a generator, a rotor terminal, a stator short circuit unit and a generator stator terminal, wherein the breaker A is powered by a power supply, the breaker B is connected with the input side of the transformer, the wire inlet reactor is connected with the breaker B, the power unit is connected with the wire inlet reactor, the dv/dt filter is connected with the output end of the power unit, the generator is connected with the dv/dt filter by a rotor terminal, and the stator short circuit unit is connected with the generator stator terminal. The no-load test platform for the medium-voltage high-capacity wind turbine generator meets the no-load test requirements of the latest 10kV voltage class, double feed and full feed types, can support a 10MW capacity turbine generator, is compatible with the original 1140V type, is low in production cost, convenient to install and operate, is friendly to users, and meets the no-load test conditions of various small-capacity factories.
Description
Technical Field
The utility model relates to the technical field of wind turbines, in particular to a medium-voltage high-capacity wind turbine no-load test platform.
Background
The whole running test of the generator, the gear box and the transmission chain is required by the factory test of the wind turbine generator, the factory no-load test of the doubly-fed and fully-fed wind turbine generator in the wind power industry at present has various modes, the common side dragging mode and the opposite dragging mode are limited by principles and structures, the requirements on power supply and capacity of a factory are high, and tools with corresponding sizes must be developed for different models. Along with the mass production of the medium-voltage 10kV high-capacity machine type, the voltage level of the machine set is further increased from the traditional 690V and 1140V ranges, and higher requirements are set for a test device. The matched test device is affected by model iteration acceleration, so that the development cost is high, the development period is long, and the test requirement cannot be met. Meanwhile, the two modes of side dragging and opposite dragging have the defects of high process requirements, long assembly time, poor flexibility and the like, and cannot meet the test requirements of small production bases or mobile factories.
1. The existing various test platforms depend on factory building construction of factories, have certain requirements on power supply in the factories, do not have long-distance frequent land transportation conditions, and are required to be developed and built respectively according to test requirements in different factories, so that the test platform has long period and high cost;
2. special tooling design and modification are needed for wiring conditions and test requirements of various types and different voltage classes, such as 1140V low voltage and 10kV medium voltage;
3. the wiring and wiring process of the test is more in requirements and complicated, and the manpower and material resources required by single test installation and dismantling are more in time;
the data generated in the test process needs to be recorded manually, the workload is large, and data spurious and missing easily exist, so that the authenticity and reliability of the test result are affected.
CN111594383a discloses a method and a system for driving a large megawatt doubly-fed wind turbine, wherein a control unit of a converter is controlled by a main control system of the wind turbine to be switched into a reverse driving mode, so that the purpose of turning is achieved by reversely driving an impeller, the existing doubly-fed generator converter is required to be improved, the process is complex, and the function is single;
CN111884550a discloses a self-driven wind wheel turning gear and method for a wind turbine, wherein a generator of the wind turbine is driven by a full-power converter to perform turning, a inching control module is required to be additionally arranged, different control technologies are adopted for double-fed and full-fed types, and the technology and operation are complex and complex, and the function is single;
CN211777826U discloses a mobile wind generating set no-load test device, which drives a generator to perform no-load test through a whole set of test device mainly comprising a frequency converter, but the voltage level only supports the highest 690V, and cannot meet the no-load test of high-voltage and large-capacity models, and the actual test is dependent on manual operation.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the no-load test platform for the medium-voltage high-capacity wind turbine generator, which meets the no-load test requirements of the latest 10kV voltage class, double feed and full feed types, can support the 10MW capacity wind turbine generator, is compatible with the original 1140V type, has low production cost, is convenient to install and operate, is friendly to users, and can perform no-load test under the condition of meeting various small-capacity factories.
In order to achieve the purpose, the utility model provides a no-load test platform of a medium-voltage high-capacity wind turbine, which comprises a transformer, a breaker A, a power supply, a breaker B, a wire inlet reactor, a power unit, a wire inlet reactor, a dv/dt filter, a generator, a rotor terminal, a stator short-circuit unit and a generator stator terminal, wherein the power supply is powered by a power supply, the breaker A is connected with the input side of the transformer, the breaker B is connected with the output side of the transformer, the wire inlet reactor is connected with the breaker B, the power unit is connected with the wire inlet reactor, the dv/dt filter is connected with the output end of the power unit, and the rotor terminal is connected with the dv/dt filter.
Preferably, the circuit breaker A and the circuit breaker B are located in a switch cabinet, the incoming line reactor and the dv/dt filter are located in a reactance filtering cabinet, the power unit is located in a frequency conversion cabinet, and the stator short-circuit unit is located in a stator short-circuit cabinet.
Preferably, a control unit connected with the power unit and a touch screen connected with the control unit are further arranged in the variable frequency cabinet, and the touch screen is connected with a unit master control PLC.
Preferably, the platform further comprises a container, a base, a bottom plate and a diagonal fixed steel rope, wherein the base, the bottom plate, the diagonal fixed steel rope, the switch cabinet, the reactance filtering cabinet, the variable frequency cabinet, the switch cabinet and the stator shorting cabinet are all located in the container, the transformer, the switch cabinet, the reactance filtering cabinet, the variable frequency cabinet and the stator shorting cabinet are fixed with the base, and the switch cabinet, the reactance filtering cabinet and the variable frequency cabinet are fixedly connected with the diagonal fixed steel rope.
The utility model has the beneficial effects that:
(1) The test platform meets wiring conditions and test requirements of various types of doubly-fed and fully-fed units, and on the basis of meeting 1140V voltage class units, the test platform supports no-load test of the generator with 10kV voltage class at maximum;
(2) The test platform is integrated in a single container, so that high integration is realized, long-distance frequent land transportation conditions are provided, and the test requirements in different factories are met;
(3) The test platform is only provided with power supply input, frequency converter output and stator short circuit for external wiring, so that the installation and wiring are simple, convenient and quick, and the test efficiency is improved;
(4) The test platform control system is based on HMI upper computer software development, integrates automatic test and manual debugging functions, and meanwhile, the upper computer automatically processes data acquisition in the test, so that a manual recording process is omitted, the test flow is simple and easy, and the test platform control system is friendly to users.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a topological diagram of an idle test platform of a medium-voltage high-capacity wind turbine.
Fig. 2 is an internal layout elevation view of a no-load test platform of the medium-voltage high-capacity wind turbine generator.
Fig. 3 is a top view of the internal arrangement of the no-load test platform of the medium-voltage high-capacity wind turbine.
In the figure: 1-transformer, 2-switch cabinet, 3-frequency conversion cabinet, 4-reactance filter cabinet, 5-stator short circuit cabinet, 6-circuit breaker A, 7-circuit breaker B, 8-inlet wire reactor, 9-power unit, 10-control unit, 11-touch screen, 12-dv/dt filter, 13-short circuit unit, 14-standard container, 15-base, 16-channel steel bottom plate, 17-cable-stayed fixed cable.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1 to 3, the embodiment provides a no-load test platform of a medium-voltage high-capacity wind turbine, which comprises a transformer 1, an incoming line reactor 8, a control unit 10, a power unit 9, a dv/dt filter 12, a touch screen 11 and a short circuit unit 13, wherein an AC400V power supply is connected into a circuit breaker A6 through a switch cabinet 2, and the circuit breaker A6 supplies power to the input side of the transformer 1;
AC400V is converted into AC1140V by the transformer 1, and is connected to a circuit breaker B7 from the output side of the transformer 1, and the circuit breaker B7 is connected to an incoming line reactor 8 in the reactance filtering cabinet 4;
the power unit 9, the control unit 10 and the touch screen 11 in the frequency conversion cabinet 3 are powered to operate, and the touch screen 11 communicates with the unit master control PLC through a network cable to acquire data;
the switch cabinet 3 is used for switching on and switching off the power supply of the transformer 1, the frequency conversion cabinet 3 and the reactance filtering cabinet 4, the reactance filtering cabinet 4 absorbs and limits harmonic waves generated by the frequency conversion cabinet, inrush current is restrained, the voltage rising rate of the dv/dt filter 12 is controlled, and the power factor is improved;
the output of the power unit 9 is connected with a generator rotor wiring terminal through a dv/dt filter 12, a short-circuit unit 13 in the stator short-circuit cabinet 5 is connected with a generator stator wiring terminal, a cable connected with the generator stator wiring terminal completes short-circuit in the stator short-circuit cabinet 5, the variable-frequency cabinet 3 controls the generator rotor to drive the generator to operate in a variable-frequency speed regulation V/F mode, and the electronic short-circuit cabinet 5 is used for short-circuiting the stator of the generator.
The variable frequency cabinet 3 is based on an Inweiteng GD3000-01A-500G-12 variable frequency device, the variable frequency device is controlled by connecting the touch screen 11 with the control unit 10, starting, speed regulation and stopping of the generator are achieved, meanwhile, the touch screen 11 also has the functions of data communication, storage and the like in an idle test, the variable frequency device adopts a V/F mode to carry out variable frequency speed regulation, the stator side of the generator is short-circuited and then operates in a motor mode, and the generator drives a transmission chain and a gear box to operate.
Specifically, the circuit breaker A6 and the circuit breaker B7 are located in the switch cabinet 2, the incoming line reactor 8 and the dv/dt filter 12 are located in the reactance filtering cabinet 4, and the stator shorting unit 13 is located in the stator shorting cabinet 5.
More specifically, the platform of the utility model further comprises a container 14, a base 15, a bottom plate 16 and a diagonal fixed steel rope 17, wherein the base 15, the bottom plate 16, the diagonal fixed steel rope 17, the switch cabinet 2, the reactance filter cabinet 4, the variable frequency cabinet 3, the switch cabinet 2 and the stator short circuit cabinet 5 are all positioned in the container 14, the transformer 1, the switch cabinet 2, the reactance filter cabinet 4, the variable frequency cabinet 3 and the stator short circuit cabinet 5 are fixed with the base 15, and the switch cabinet 2, the reactance filter cabinet 4 and the variable frequency cabinet 3 are also fixedly connected with the diagonal fixed steel rope 17, so that no-load test of a unit with the highest voltage level of 10KV and the capacity of 10MW is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.
Claims (4)
1. The utility model provides a middling pressure large capacity wind turbine generator system no-load test platform which characterized in that: the platform comprises
The power of the transformer is changed to the power of the transformer,
the breaker A is powered by a power supply and is connected with the input side of the transformer,
a breaker B connected with the output side of the transformer,
the incoming line reactor is connected with the circuit breaker B,
a power unit connected with the incoming line reactor,
a dv/dt filter connected to the output of the power unit,
the generator, the rotor terminal is connected with the dv/dt filter,
and the stator short-circuit unit is connected with a stator wiring terminal of the generator.
2. The medium-voltage high-capacity wind turbine no-load test platform according to claim 1, wherein: the circuit breaker A and the circuit breaker B are located in the switch cabinet, the incoming line reactor and the dv/dt filter are located in the reactance filter cabinet, the power unit is located in the frequency conversion cabinet, and the stator short-circuit unit is located in the stator short-circuit cabinet.
3. The medium-voltage high-capacity wind turbine no-load test platform according to claim 2, wherein: the variable frequency cabinet is internally provided with a control unit connected with the power unit and a touch screen connected with the control unit, and the touch screen is connected with a unit master control PLC.
4. The medium-voltage high-capacity wind turbine no-load test platform according to claim 2, wherein: the platform further comprises a container, a base, a bottom plate and a diagonal fixed steel rope, wherein the base, the bottom plate, the diagonal fixed steel rope, the switch cabinet, the reactance filtering cabinet, the variable frequency cabinet, the switch cabinet and the stator short-circuit cabinet are all located in the container, the transformer, the switch cabinet, the reactance filtering cabinet, the variable frequency cabinet and the stator short-circuit cabinet are fixed with the base, and the switch cabinet, the reactance filtering cabinet and the variable frequency cabinet are further fixedly connected with the diagonal fixed steel rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321049226.1U CN219827040U (en) | 2023-05-05 | 2023-05-05 | Medium-voltage high-capacity wind turbine no-load test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321049226.1U CN219827040U (en) | 2023-05-05 | 2023-05-05 | Medium-voltage high-capacity wind turbine no-load test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827040U true CN219827040U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321049226.1U Active CN219827040U (en) | 2023-05-05 | 2023-05-05 | Medium-voltage high-capacity wind turbine no-load test platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN219827040U (en) |
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2023
- 2023-05-05 CN CN202321049226.1U patent/CN219827040U/en active Active
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