A Study on the ZigBee Wireless Communication for IAQ Monitoring of Underground Subway Stations ijtsrd
In this paper, the 424MHz ZigBee module, which uses a relatively lower frequency for wireless transmission and reception, is found to have a much higher data transfer rate than that of the 2.4GHz XBee PRO in the presence of obstacles such as subway waiting rooms, platform like stairs, complicated structures, and crowded passengers. This indicates […]
RFID Based Rotary Car Parking System ijtsrd
This paper deals with the manufacturing of a Prototype of Rotary Car Parking System using Sensors. Lack of space availability has always been a problem in urban areas and major cities and to add to it there are cars parked callously on the streets that further limit the space. In order to handle the issue […]
RFID Based Vending Machine ijtsrd
The vending machine which provides the beverage like snacks, cold drink, it is also used for ticketing. These systems are operated on either coin or note or manually switch operated. This paper presents the system which operates not on coin or note, it operates on RFID system. This system gives the access through only RFID […]
Design of Earthing System for 230 kV High Voltage Substation by ETAP 12.6 Software ijtsrd
The design of earthing system for 230 kV substation is challenging task. A safety is one major concern in the operation and design of an electrical power system. This Paper is to provide information pertinent to safe earthing practice in substation design and to establish the safe limits of potential difference under normal and fault […]
Static Excitation System of Generator in Hydropower Station ijtsrd
Excitation system is one of the most important parts of the synchronous generators. Excitation system of the generator comprises from machines, devices and appliances that are intended to provide direct current to the generator field winding and this current regulation. For a constant frequency supply, the output voltage of the machine depends on the excitation […]