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Water turbine speed regulating system

A speed regulating system and water turbine technology, applied in the direction of hydroelectric power generation, mechanical equipment, engine components, etc., can solve problems such as failure to reach the height, unsatisfactory management of water turbines, etc., and achieve the effect of improving precision and accuracy and accurate control

Inactive Publication Date: 2019-04-16
四川茂龙发电设备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing technology has not reached a certain height for the speed regulation control system of the water turbine. It only detects some or some data to realize the speed regulation, which is very unsatisfactory for the management of the water turbine.

Method used

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  • Water turbine speed regulating system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, the hydraulic turbine speed control system includes machine-side PT, system PT, gear plate, frequency measurement processing module, machine-side power supply / current measurement module, power sensor, water head measurement module, CPU, relay, signal drive board, solenoid valve, A hydraulic circuit, a servomotor, a displacement sensor, a deflector, and a position switch; the CPU includes a switch input module, a high-speed count module, an ARM analog input module, a data processing module, and a digital output module;

[0027] The machine-side PT sends the machine-side frequency data to the frequency measurement processing module, the system PT sends the system frequency data to the frequency measurement processing module, the gear plate sends its frequency data to the frequency measurement processing module, and the frequency measurement processing module sends the processed frequency The data is sent to the high-speed counting module; the ma...

Embodiment 2

[0034] Based on the realization of Embodiment 1, this embodiment provides a preferred hydraulic turbine speed regulation system, which improves the precision and accuracy of logarithmic turbine speed regulation according to external meteorological data.

[0035] Similar to Example 1, such as figure 1As shown, the hydraulic turbine speed control system includes machine-side PT, system PT, gear plate, frequency measurement processing module, machine-side power supply / current measurement module, power sensor, water head measurement module, CPU, relay, signal drive board, solenoid valve, A hydraulic circuit, a servomotor, a displacement sensor, a deflector, and a position switch; the CPU includes a switch input module, a high-speed count module, an ARM analog input module, a data processing module, and a digital output module;

[0036] The machine-side PT sends the machine-side frequency data to the frequency measurement processing module, the system PT sends the system frequency ...

Embodiment 3

[0045] Based on the realization of Embodiment 1 or Embodiment 2, this embodiment also provides a hydraulic turbine speed regulation system, so as to realize big data analysis and processing. For the description of the relevant parts, please refer to the detailed description of the corresponding parts in the water turbine speed regulating system provided in Embodiment 1 or Embodiment 2 of the present invention, and details will not be repeated here. In addition, the parts of the technical solutions provided by the embodiments of the present invention that are consistent with the implementation principles of the corresponding technical solutions in the prior art are not described in detail, so as not to repeat them too much.

[0046] In this embodiment, the host computer is connected to the big data server through the network.

[0047] More preferably, in this embodiment, the data processing module packs the type number, detection data and control data of the system together, an...

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Abstract

The invention discloses a water turbine speed regulating system. The water turbine speed regulating system comprises a machine end PT, a system PT, a fluted disc, a frequency measurement processing module, a machine end power source / electric current measurement module, a power sensor, a water head measurement module, a CPU, a relay, a signal driver board, electromagnetic valves, hydraulic circuits, a servomotor, a displacement sensor, a flow diverter, and a position switch; the CPU comprises a switching value input module, a high speed counting module, an ARM analog input module, a data processing module and a digital value output module. According to the water turbine speed regulating system, the power sources of the machine end PT, the system PT, the fluted disc, the machine end power source, a water head, the servomotor and the flow diverter are controlled to be on and off according to collected data, and meanwhile the electromagnetic valves on the hydraulic circuits where the servomotor and the flow diverter are located are controlled to achieve speed regulating according to the collected data, and the problem of very poor management of a water turbine due to the fact that thespeed regulating is achieved by detecting some or certain data in the prior art is solved.

Description

technical field [0001] The invention relates to a water turbine speed regulating system. Background technique [0002] A water turbine is a power machine that converts the energy of water flow into rotational mechanical energy, and it belongs to the turbomachinery in fluid machinery. Most modern water turbines are installed in hydropower stations to drive generators to generate electricity. In a hydropower station, the water in the upstream reservoir is led to the turbine through the diversion pipe, which drives the turbine runner to rotate and drives the generator to generate electricity. The water that has done work is discharged downstream through the tail water pipe. The higher the water head and the greater the flow, the greater the output power of the turbine. Water turbines and auxiliary machines are important hydropower equipment and an indispensable part of the hydropower industry. They are important equipment for making full use of clean and renewable energy to ...

Claims

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Application Information

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IPC IPC(8): F03B15/12
CPCF03B15/12Y02E10/20
Inventor 张谓
Owner 四川茂龙发电设备制造有限公司
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