-
Working principle of server racks in computer room
Server Racks: These provide the basic framework for mounting servers and other equipment. Open-frame racks facilitate easy access and improve airflow, while closed racks enhance security and. A server rack, also known as a server cabinet, is a specialized metal frame structure designed to store and organize IT equipment.
-
Working Principle of Photographic Fiber Optic Sensors
Radiation absorption creates electronic excited states that are trapped by localized defects for extended periods of time. Fiber optic sensors are used in a wide range of fields, including: Structural Health Monitoring: Real-time monitoring of the physical condition of structures. Jose Miguel Lopez-Higuera: Handbook of Optical Fiber Sensing Technology, John Wiley & Sons, 2002. Fibers have many uses in remote sensing. Depending on the. birth of fiber optic sensors. Further there are many points why fiber optic sensors are used in place of traditional size and. Among the reasons why optical fibers are such an attractive are their low loss, high bandwidth, immunity to electromagnetic interference (EMI), small size, light weight, safety, relatively low cost, low maintenance, etc. At the heart of this technology is the optical fiber itself -- a hair-thin. Fiber‐optic technology emerged originally for applications in data transmission and telecommunications.
[PDF Version]
-
Working principle of optical circulator
An optical circulator is a three- or four-port designed such that entering any port exits from the next. This means that if light enters port 1 it is emitted from port 2, but if some of the emitted light is reflected back to the circulator, it does not come out of port 1 but instead exits from port 3. This is analogous to the operation of an electronic. Fiber-optic circulators are used to separate optical signals.
-
Working principle of gas phase spectrometer
MS works by ionizing gas molecules and separating the resultant charged particles by their mass-to-charge ratios (m/z) in an electric or magnetic field. This allows for the detection of even trace substances with outstanding sensitivity and specificity. Some of the infrared radiation is absorbed by the sample and some of it is passed. Gas chromatography/mass spectrometry (GC/MS) combines two analytical tools to identify and measure the concentration of chemicals found in foods, consumer products, pharmaceuticals, fuels, the environment, and more. Mass spectrometry's ability to provide. Like many other samples, a gas (or vapour) can be analyzed using the transmission of an infrared beam through the sample, reading the strength of the various wavenumbers upon exiting the sample and arriving at a detector. Carrier gas, like helium, hydrogen or nitrogen, works as a mobile phase, while.
[PDF Version]
-
Load Relay Protection Principle
An overload relay is a device that protects an electric motor against overloads and phase failure. IEEE/IAS/I&CPSD Protection & Coordination WG Chair Jacobs Canada, Calgary, AB rasheek. com IEEE Southern Alberta Section PES/IAS Joint Chapter Technical Seminar - November 2016 Protective Relays - Technical Seminar Nov 2016 - Copyright: IEEE 2 Abstract: Protective relays and devices. Long term cost reduction (TCO) for trainings and maintenance by reduce variety of relays A fast and selective arc fault mitigation for air-insulated LV & MV switchgear and Relion protection and control relays and sensor technology protect staff and plant facilities for many years. Its main purpose is to safeguard electrical equipment like transformers, generators, and transmission lines from damage due to. Recognized under 2(f) and 12 (B) of UGC ACT 1956 (Affiliated to JNTUH, Hyderabad, Approved by AICTE - Accredited by NBA & NAAC – 'A' Grade - ISO 9001:2015 Certified) Maisammaguda, Dhulapally (Post Via.
[PDF Version]
-
Are the relay protection settings verified three times
All aspects of the configuration are thoroughly verified, from installation of the correct equipment through wiring verifications and operation checks of the equipment individual items, finishing with testing of the complete configuration. PSM represents how many times the actual current is above the relay's current pickup setting. It involves verifying the coordination among protective devices, the accuracy of the settings, and the functionality of. The IEC standard for relay coordination provides clear guidelines and methodologies to ensure that protective relays work in harmony to isolate only the faulty section of the system while keeping the rest of the network operational. the use of protection systems to reduce arc flash energy in distribution systems). At this setting,this is as far as we can reach down the line before the fault becomes undetectable.
[PDF Version]