.net barcode printing Hybrid UPS in Software

Painting PDF 417 in Software Hybrid UPS

346 Hybrid UPS
Encoding PDF-417 2d Barcode In None
Using Barcode printer for Software Control to generate, create PDF417 image in Software applications.
Recognizing PDF-417 2d Barcode In None
Using Barcode recognizer for Software Control to read, scan read, scan image in Software applications.
Similar in design to the standby UPS, the hybrid UPS (Fig 323) utilizes a voltage regulator on the UPS output to provide regulation to the
PDF417 Creation In C#
Using Barcode encoder for .NET framework Control to generate, create PDF-417 2d barcode image in Visual Studio .NET applications.
PDF417 Generation In .NET
Using Barcode creation for ASP.NET Control to generate, create PDF 417 image in ASP.NET applications.
Line
PDF-417 2d Barcode Drawer In .NET Framework
Using Barcode creator for VS .NET Control to generate, create PDF417 image in .NET applications.
Draw PDF417 In Visual Basic .NET
Using Barcode creator for Visual Studio .NET Control to generate, create PDF 417 image in VS .NET applications.
Rectifier/ Charger
Generating Code 3 Of 9 In None
Using Barcode generation for Software Control to generate, create Code 39 Full ASCII image in Software applications.
UPC A Printer In None
Using Barcode printer for Software Control to generate, create GTIN - 12 image in Software applications.
Load Inverter Manual Bypass Battery Bank
ECC200 Creation In None
Using Barcode maker for Software Control to generate, create Data Matrix ECC200 image in Software applications.
EAN-13 Maker In None
Using Barcode drawer for Software Control to generate, create EAN / UCC - 13 image in Software applications.
On-line UPS
Drawing Code-128 In None
Using Barcode generation for Software Control to generate, create Code 128B image in Software applications.
Encode Barcode In None
Using Barcode creation for Software Control to generate, create bar code image in Software applications.
Downloaded from Digital Engineering Library @ McGraw-Hill (wwwdigitalengineeringlibrarycom) Copyright 2004 The McGraw-Hill Companies All rights reserved Any use is subject to the Terms of Use as given at the website
USPS PLANET Barcode Encoder In None
Using Barcode generator for Software Control to generate, create Planet image in Software applications.
Print EAN13 In C#
Using Barcode generator for .NET Control to generate, create EAN 13 image in .NET applications.
Voltage Sags and Interruptions Voltage Sags and Interruptions 67
Making EAN128 In None
Using Barcode printer for Word Control to generate, create UCC.EAN - 128 image in Office Word applications.
Data Matrix Encoder In VB.NET
Using Barcode generation for VS .NET Control to generate, create Data Matrix ECC200 image in VS .NET applications.
Normal Line Load Inverter Automatic Transfer Switch Battery Bank
Print Bar Code In .NET
Using Barcode creator for Reporting Service Control to generate, create barcode image in Reporting Service applications.
Painting Barcode In Java
Using Barcode creation for Java Control to generate, create barcode image in Java applications.
Line
Code 39 Extended Creation In None
Using Barcode generation for Excel Control to generate, create Code-39 image in Office Excel applications.
Scan Code 128A In .NET Framework
Using Barcode recognizer for Visual Studio .NET Control to read, scan read, scan image in .NET applications.
Rectifier/ Charger
Standby UPS
Normal Line Line Rectifier/ Charger Ferroresonant Transformer Load
Inverter
Battery Bank
Hybrid UPS
load and momentary ride-through when the transfer from normal to UPS supply is made
347 Motor-generator sets
Motor-generator (M-G) sets come in a wide variety of sizes and configurations This is a mature technology that is still useful for isolating critical loads from sags and interruptions on the power system The concept is very simple, as illustrated in Fig 324 A motor powered by the line drives a generator that powers the load Flywheels on the same shaft provide greater inertia to increase ride-through time When the line suffers a disturbance, the inertia of the machines and the flywheels maintains the power supply for several seconds This arrangement may also be used to separate sensitive loads from other classes of disturbances such as harmonic distortion and switching transients While simple in concept, M-G sets have disadvantages for some types of loads: 1 There are losses associated with the machines, although they are not necessarily larger than those in other technologies described here 2 Noise and maintenance may be issues with some installations
Downloaded from Digital Engineering Library @ McGraw-Hill (wwwdigitalengineeringlibrarycom) Copyright 2004 The McGraw-Hill Companies All rights reserved Any use is subject to the Terms of Use as given at the website
Voltage Sags and Interruptions 68 Three
FLYWHEEL MOTOR GENERATOR
LINE
LOAD
Block diagram of typical M-G set with flywheel
3 The frequency and voltage drop during interruptions as the machine slows This may not work well with some loads Another type of M-G set uses a special synchronous generator called a written-pole motor that can produce a constant 60-Hz frequency as the machine slows It is able to supply a constant output by continually changing the polarity of the rotor s field poles Thus, each revolution can have a different number of poles than the last one Constant output is maintained as long as the rotor is spinning at speeds between 3150 and 3600 revolutions per minute (rpm) Flywheel inertia allows the generator rotor to keep rotating at speeds above 3150 rpm once power shuts off The rotor weight typically generates enough inertia to keep it spinning fast enough to produce 60 Hz for 15 s under full load Another means of compensating for the frequency and voltage drop while energy is being extracted is to rectify the output of the generator and feed it back into an inverter This allows more energy to be extracted, but also introduces losses and cost
348 Flywheel energy storage systems
Motor-generator sets are only one means to exploit the energy stored in flywheels A modern flywheel energy system uses high-speed flywheels and power electronics to achieve sag and interruption ride-through from 10 s to 2 min Figure 325 shows an example of a flywheel used in energy storage systems While M-G sets typically operate in the open and are subject to aerodynamic friction losses, these flywheels operate in a vacuum and employ magnetic bearings to substantially reduce standby losses Designs with steel rotors may spin at approximately 10,000 rpm, while those with composite rotors may spin at much higher speeds Since the amount of energy stored is proportional to the square of the speed, a great amount of energy can be stored in a small space
Downloaded from Digital Engineering Library @ McGraw-Hill (wwwdigitalengineeringlibrarycom) Copyright 2004 The McGraw-Hill Companies All rights reserved Any use is subject to the Terms of Use as given at the website
Voltage Sags and Interruptions Voltage Sags and Interruptions 69
Cutaway view of an integrated motor, generator, and flywheel used for energy storage systems (Courtesy of Active Power, Inc)
The rotor serves as a one-piece storage device, motor, and generator To store energy, the rotor is spun up to speed as a motor When energy is needed, the rotor and armature act as a generator As the rotor slows when energy is extracted, the control system automatically increases the field to compensate for the decreased voltage The high-speed flywheel energy storage module would be used in place of the battery in any of the UPS concepts previously presented
Copyright © OnBarcode.com . All rights reserved.