Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

795
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:
795
The Power Flow Problem and Solution01:26

The Power Flow Problem and Solution

943
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 power flow program computes...
943
Power Factor Correction01:20

Power Factor Correction

627
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
627
Energy Losses in Transformers01:21

Energy Losses in Transformers

1.4K
In an ideal transformer, it is assumed that there are no energy losses, and, hence, all the power at the primary winding is transferred to the secondary winding. However, in reality,  the transformers always have some energy losses, and, hence, the output power obtained at the secondary winding is less than the input power at the primary winding due to energy losses.
There are four main reasons for energy losses in transformers.
The first cause can be  the high resistance of the...
1.4K
Control of Power Flow01:30

Control of Power Flow

728
There are several methods to control power flow in power systems:
728
Conservation of AC Power01:15

Conservation of AC Power

713
The principle of power preservation is applicable to both ac and dc circuits. This principle, when applied to AC power, asserts that the complex, real, and reactive powers produced by the source are equal to the total complex, real, and reactive powers absorbed by the loads. When two load impedances are connected in parallel to an ac source V, the complex power provided by the source can be calculated using the relation
713

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Macroscopic Convective Fluid Flows Arising From Binding of Ions and Small Molecules to Proteins.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Sustainable stabilization of sandy soil using alkali-activated construction waste binders.

Scientific reports·2026
Same author

Sustainable valorization of copper mine waste into construction materials by alkali activation.

Scientific reports·2026
Same author

Potent inhibition of human monoamine oxidase A and B by phenolic compounds and polyunsaturated fatty acids in tobacco smoke.

Chemico-biological interactions·2025
Same author

Antibiotic and Heavy Metal Resistance in Bacteria from Contaminated Agricultural Soil: Insights from a New Zealand Airstrip.

Antibiotics (Basel, Switzerland)·2025
Same author

Evaluating the resilience of residential buildings during a pandemic with a sustainable construction approach.

Heliyon·2024

Related Experiment Video

Updated: Mar 9, 2026

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
06:04

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

1.1K

Optimal Switching of DC-DC Power Converters Using Approximate Dynamic Programming.

Ali Heydari

    IEEE Transactions on Neural Networks and Learning Systems
    |January 6, 2017
    PubMed
    Summary

    This study optimizes switching in DC-DC converters using approximate dynamic programming. The method achieves robust voltage regulation despite non-ideal components and disturbances by adjusting switching parameters dynamically.

    More Related Videos

    A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
    09:04

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

    Published on: June 1, 2022

    3.7K
    Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
    11:44

    Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

    Published on: August 15, 2014

    10.8K

    Related Experiment Videos

    Last Updated: Mar 9, 2026

    Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
    06:04

    Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

    Published on: February 14, 2025

    1.1K
    A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
    09:04

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

    Published on: June 1, 2022

    3.7K
    Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
    11:44

    Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

    Published on: August 15, 2014

    10.8K

    Area of Science:

    • Electrical Engineering
    • Control Systems
    • Power Electronics

    Background:

    • DC-DC converters are crucial for voltage regulation.
    • Non-ideal components and switching dynamics pose challenges.
    • Existing methods may lack robustness to disturbances.

    Purpose of the Study:

    • To investigate optimal switching strategies for step-down DC-DC converters.
    • To address challenges like inductor current constraints and capacitor voltage leakage.
    • To achieve high robustness against line and load disturbances with low voltage ripples.

    Main Methods:

    • Adaptation of approximate dynamic programming (ADP) for converter control.
    • Tuning a parametric function approximator for feedback-based optimal switching.
    • Dynamic adjustment of cycle time and duty ratio without fixed cycle assumptions.
    • Incorporation of state jumps at switching times for enhanced control.

    Main Results:

    • The proposed ADP-based scheme provides optimal switching control.
    • The controller demonstrates effective performance under parameter uncertainties.
    • Dynamic adjustment of switching parameters ensures adaptability.
    • The method successfully handles state jumps during switching.

    Conclusions:

    • The adapted ADP approach offers a robust solution for DC-DC converter topology switching.
    • This method enhances voltage regulation efficiency and stability.
    • The dynamic, on-the-fly adjustment of switching parameters is key to performance.