Wireless Communication system for

Stacker Reclaimer Application.

At

Korba Super Thermal Power Station

NTPC, Korba

By

Sheetal Wireless Technologies Pvt Ltd. Pune

General Description of Project

� Project: Stacker Reclaimer to CCR IO Communication using Wireless

� Customer Information: NTPC Korba, Dist. Bilaspur.

� Solution for Wireless Communication by: Sheetal Wireless Technologies Pvt. Ltd., Pune.

� PO No: 4000043908-M55-1017 dated: 21/05/2010

� Objective: Wireless IO Communication over a distance of about 500ms, for Moving Machines to

replace the CRD (Control Rolling Drum) wired connections.

� Project Completion Date : 07 December 2010

Project description:� Project description:

− KSTPS, NTPC Korba, : In Coal handling plant Stacker Reclaimer were using control Reeling

Drum (Flexible control Cable ), CRD motor, slip rings for carrying field IO signals to CHP

control room for monitoring and controlling of the machines .

− To avoid frequent breakdown of machines due to break in control cables , to increase the

system reliability and to avoid routine maintenance cost , NTPC has opted the wireless

solution for establishing the communication link between Stacker Reclaimer and Control

centre .

Network Architecture Diagram

CHP Control Room

Micrologix 110024 DO+ 12DI

Ethernet Switch

VOIP

TelephoneUnit

Stacker 1Stacker 2Stacker 3

Micrologix 11008DI+4DO

VOIP

Telephone UnitTelephone Unit

VOIP VOIP

Telephone Unit

Ethernet Switch

Ethernet Switch

Ethernet Switch

RLX-IB-IHG

Micrologix 11008DI+4DO

Micrologix 11008DI+4DO

RLX-IB-IHGRLX-IB-IHG

Stacker-2 rail track

Stacker-3 rail track

NTPC CHP Area Satellite Image

CHP CONTROL ROOM

Crusher house

Stacker-1 rail track

Coal Yard

NTPC Power Generation unit

buildings

Stacker-1 Stacker-2 Stacker-3

Photo taken from Crusher House -1 Building

Coal Yard Antenna at roof top of crusher house -1 building

Installation

Photos

Antenna and pole

installation

Photo Taken from stacker

Antenna and Radio modem junction box at same pole

THANK YOU !!!

CONTACT

Sheetal Wireless Technologies Pvt. Ltd.

Pune-411038, Maharashtra, INDIA

Ph. 91-20-25422941 / 25467179 / 64007732

sales@sheetalwireless.com