相关实验视频

Updated: Jun 20, 2025

A Rapid Method for Modeling a Variable Cycle Engine
04:58

A Rapid Method for Modeling a Variable Cycle Engine

Published on: August 13, 2019

7.5K

发电性能:动态生产率和效率分析

Reza FathollahZadeh Aghdam1, Sami Al-Kharusi1, Nisar Ahmad1

  • 1Department of Economics & Finance Sultan Qaboos University, Oman.

Heliyon
|July 19, 2024
PubMed
概括

2020年,COVID-19大流行对阿曼的电力部门业绩产生了负面影响,主要是由于效率下降. 然而,由于技术进步,该行业在2021年表现出了快速复苏.

关键词:
在 COVID-19 疫情中,美国反毒局的DEA.盐水淡化公司效率的变化效率的变化.发电是发电的过程.马尔姆奎斯特指数是一个指数.技术变化 技术变化总因子生产率的分解

更多相关视频

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump09:04

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

Published on: June 1, 2022

3.1K
Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion08:55

Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion

Published on: February 5, 2020

7.5K

相关概念视频

Control of Power Flow01:30

Control of Power Flow

There are several methods to control power flow in power systems:
262
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
182
Turbine-Governor Control01:17

Turbine-Governor Control

Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...
197
The Power Flow Problem and Solution01:26

The Power Flow Problem and Solution

Power flow problem analysis is fundamental for determining real and reactive power flows in network components, such as transmission lines, transformers, and loads. The power system's single-line diagram provides data on the bus, transmission line, and transformer. Each bus k in the system is characterized by four key variables: voltage magnitude Vk​, phase angle δk​, real power Pk​, and reactive power Qk​. Two of these four variables are inputs, while the...
189
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
106
Multimachine Stability01:25

Multimachine Stability

Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
150