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What voltage would be produced if two different 240 volt transformers were wired on two separate primary phases of a 3-phase system and had their their secondaries wired in series?
In U. S. household wiring the two primary phases of 110 to 120 volts rms are 180° out of phase with each other which is why the voltage measured from line 1 to line 2 is double that of each line measured to the common return. The outputs of two identical transformers would therefore be additive if connected in series and in phase and subtractive if out of phase. Please note that if the phase relationship of the inputs is unknown, such as that coming from two independent portable generators, for example, the summed output voltage will be unpredictable.
What are the three phases of an algorithm are?
The three phases of an algorithm are: Input Phase: This is where the algorithm receives data or parameters necessary for processing. Processing Phase: In this phase, the algorithm performs computations or operations on the input data to achieve the desired outcome. Output Phase: Finally, the algorithm produces results or outputs based on the processing, which can be displayed, stored, or used for further actions.
Why you need to convert 3 phase to 2 phase?
Converting three-phase power to two-phase can be necessary for specific applications that require two-phase equipment or systems, such as certain types of motors or older electrical devices. This conversion can help ensure compatibility with legacy systems, reduce electrical noise, or improve efficiency in specific configurations. Additionally, in some cases, it may be needed to balance loads in a multi-phase system. Ultimately, the conversion is driven by the need for operational compatibility and efficiency within a given electrical setup.
Why 1.73 to be taken for kva to amps conversion in 3 phase?
1.73 is the square root of the whole number 3, (rounded off to two decimals), and is used in virtually all 3 phase calculations.
What is retarding phase in terms of klystrons?
In klystrons, the retarding phase refers to the time during which the electron beam interacts with the oscillating electric field of the microwave signal, causing the electrons to lose energy and slow down. This phase is crucial for the amplification process, as it allows the electrons to bunch together, increasing the beam's current density and enhancing the microwave signal. The effective management of the retarding phase is essential for optimizing the performance and efficiency of the klystron.
What are two outputs of the Technology Maturation and Risk Reduction (TMRR) phase?
the development request for proposal and the reliability. Avilability, and maintainability cost report (Ram_c)
What is one major phase in a project?
milestone In addition, the crucial phase in any project is Planning. Some of the outputs are project organization and workplan.
What is difference between a phase and a phase transition?
a phase is a region with homogeneous (uniform) properties and a conversion between states is called a "phase transition"
What is conversion of 4.6kva to kw?
Single-phase, 2.5 amps; three-phase 1.443 amps.
What is ripple frequency of 50 Hz 3 phase full ac supply?
A single phase half wave rectifier outputs ripple the same frequency as the input. A single phase full wave rectifier outputs ripple fundamental twice the input frequency (assuming balanced recitfiers). A three phase full wave rectifier outputs ripple fundamental six times the input frequency. So 50 Hz input would yield 300 Hz ripple. See Sources and Related Links for more information.
What is the need of single phase to three phase conversion?
There is no need of single phase to three phase conversions. Both service types are available from the local utility company.
What are the inputs to the close project or phase process?
-Organizational process assets -The project management plan -Accepted deliverables
What is mobile and stationary phase in Chromatography?
In chromatography, the mobile phase is the solvent that carries the sample through the stationary phase. The stationary phase is the material that interacts with the components of the sample, causing separation based on differences in their affinity for the stationary phase.
Conversion of a solid directly to a gas is defined as?
The direct conversion of a solid to a gas is called sublimation. In this process, the solid phase skips the liquid phase and transforms directly into a gas when heated.
Which tool is commonly used in DMAIC define phase?
In the DMAIC (Define, Measure, Analyze, Improve, Control) methodology, the commonly used tool in the Define phase is the SIPOC diagram. SIPOC stands for Suppliers, Inputs, Process, Outputs, and Customers, and it helps teams map out the high-level overview of a process. This tool aids in identifying key elements and stakeholders, ensuring a clear understanding of the process boundaries and objectives before diving deeper into measurement and analysis.
What inputs are usedduring the Close Project or Phase process?
Org process assets Accepted deliverables The project management plan
Why 3 phase to 2 phase conversion is done in Scott connection of transformers?
Because that is the simplest, cheapest and most efficient way to do it.
