River management products Water intake automatic control device-Water intake automatic control device

River management products Water intake automatic control device
Densei Comtech Co., Ltd.

About This Product

This is a device installed at dams and intake weirs to automatically adjust the amount of water required for power generation. Automatically controls water intake gates to adjust water level and flow rate based on readings from local or remote locations.

■Product features・Automatic control is performed to follow the indicated value using methods such as target opening control and adjustment band control based on the measured water level and flow rate.
- After the indicated value is reached, hunting that occurs after the actual water level or flow rate reaches the indicated value can be minimized by pullback control or fine adjustment control.
・It is possible to incorporate various control conditions depending on the operation of the dam or intake weir.
・Basic information such as water level, opening, gate failure status, etc. and manual operation sequences are configured using hardware circuits, while other detailed data such as history information and progress graphs related to automatic control are collected on PLC and touch panels. Designed with excellent reliability, maintainability, and operability.
- Since the transmission device for remote locations can be installed inside the panel, it is possible to support remote control with only one side of this device.
- Various interfaces can be implemented to link with the dam management system and various related systems.
- It is also possible to create a network configuration in which display terminals or server devices are installed at a control center or general management center. Since it is possible to remotely change constants and conditions related to on-site automatic control and to monitor the operational status of equipment in detail and in real time, it is possible to accurately make initial responses during operations and make accurate decisions about dispatching to the site. It is also expected to enable various verifications using past historical information and the effective use of data in other operations.

■Applicable locationHydroelectric dams and intake weirs

specification
■Main applicable standards・Electricity standards
・Japanese Industrial Standards (JIS)
・IEEJ Electrical Standards Committee Standards (JEC)
・Japan Electrical Manufacturers Association Standards (JEM)
・Electronic Machinery Industries Association Standards (EIAJ)
・IEEJ Cyclic/Digital Information Transmission Equipment Usage Standards
・Electricity Cooperative Research Vol. 25 No. 3 Power generation and substation remote monitoring and control (Ⅰ)
・Electricity Cooperative Research Vol. 26 No. 2 Power generation and substation remote monitoring and control (Ⅱ)
・Electricity Cooperative Research Vol. 31 No. 6 Remote monitoring and control of power generation and substations (Ⅲ)

■Maintainability・A device that can reliably detect failures in each part and determine the details of the failure part.
・A configuration that standardizes hardware and maintains compatibility of parts.

Model
There are 1 models for this product.

Product
River management products Water intake automatic control device

Handling Company
Densei Comtech Co., Ltd.

Categories

Controllers

Control Panels

50+ people viewing

Last viewed: 2 hours ago

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1 Models of River management products Water intake automatic control device

Image	Part Number	Price (excluding tax)	Earthquake resistance	Insulation resistance (between electric circuit and ground)	Environmental conditions Relative humidity	Environmental conditions Surrounding environment	Environmental conditions Ambient temperature	Scalability	Commercial frequency withstand voltage (between electrical circuits and ground)	Reliability Equipment and component configuration	Reliability Signal error control	Reliability Fail-safe/Fool-proof	Reliability System diagnosis	Reliability Surge protection
	Water intake automatic control device	Available upon quote	Device that can withstand static acceleration of 1.5G in installed state	Equipment rated voltage 30V or less: 5MΩ or more with DC100V megger Rated voltage of equipment exceeding 30V and below 60V: 5MΩ or more using DC250V megger Rated voltage of equipment exceeding 60V and below 660V: 5MΩ or more with DC500V megger	Indoor: 30%~80% Outdoor: 10%~95%	Indoor: General switchboard room level Outdoors: Wind speed up to 40m/s, snowfall 3m	Indoor:+5℃~+40℃ Outdoor: -35℃~+40℃	Devices are decentralized by function and designed to make it easy to expand devices, add functions, and make changes.	Equipment rated voltage 30V or less: AC500V 1 minute Equipment rated voltage exceeding 30V and below 60V: AC1000V for 1 minute Equipment rated voltage exceeding 60V and below 250V: AC2000V for 1 minute	Minimum number of parts required Preventing failure from spreading to other functions by dispersing functions Parts selection based on usage experience and sufficient performance consideration	Countermeasures against erroneous control output using parity, constant mark verification, etc.	Functional design to shift to the safe side in the event of equipment abnormality or operator error	Implements a diagnostic function to detect abnormal conditions in the device	Insulation measures against external surge using photocouplers etc. Measures against surges from power supply

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About Company Handling This Product

Densei Comtech Co., Ltd.

Japan

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River management products Water intake automatic control device Densei Comtech Co., Ltd.

About This Product

■Product features

■Applicable location

■Main applicable standards

■Maintainability

1 Models of River management products Water intake automatic control device

Water intake automatic control device

Customers who viewed this product also viewed

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About Company Handling This Product

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River management products Water intake automatic control device
Densei Comtech Co., Ltd.