Results 21 to 30 of about 7,541,874 (198)

PMSG-Based Black-Start Technology and Its Field Tests

open access: yesEnergies, 2019
It is of great importance for power grids to have black-start capability for rapid recovery, and there is great theoretical significance and practical application value in studying how to use wind farms as the black-start power supply source for power ...
Min-gang Tan, Yi Tang, Chaohai Zhang
doaj   +1 more source

Stratified Optimization Strategy Used for Restoration With Photovoltaic-Battery Energy Storage Systems as Black-Start Resources

open access: yesIEEE Access, 2019
With the rapid growth of installed capacity of photovoltaic (PV), the PV power stations equipped with energy storage (ES) have become a new type of black-start power supply.
Junhui Li   +5 more
doaj   +1 more source

Percy E. Sutton at Men's Day, The City and Black Power, 1967

open access: yes, 1967
Percy E. Sutton speaks at Men's Day at Mount Zion First Baptist Church, on "The City and Black Power," on October 15, 1967. Total length: 30:10 minutes.
Black, Claude William (1916-2009);
core   +1 more source

Review of Death’s Futurity: The Visual Life of Black Power by Sampada Aranke (Duke University Press)

open access: yesLateral
Sampada Aranke’s Death’s Futurity: The Visual Life of Black Power begins by insisting on the importance of visual culture to the Black Panther Party’s platform before exploring the Party’s use of political posters, flyers, magazine covers, a documentary,
Jenna M. Wilson
doaj   +1 more source

STATE REPRESSION IN BARBADOS: The Barrow government versus the Black Powerities 1968-1970

open access: yesRevista Brasileira do Caribe, 2022
The Black Power movements in the English-speaking Caribbean territories faced tremendous repression from their governments during the late 1960s and early 1970s.
Rodney Worrell
doaj  

A Black Start Scheme Based on Modular Multilevel Control-High Voltage Direct Current

open access: yesEnergies, 2018
Modern society’s need for power and its dependence on power sources is increasing with its development. As a result the consequences of blackout accidents have become more serious. At present, only three sources can be regarded as black-start power
Zecheng Li, Guojun Tan
doaj   +1 more source

Conformal hairy black holes of quartic quasi-topological gravity with power-Yang–Mills source

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
We study higher dimensional hairy black holes of quartic quasi-topological gravity in the framework of non-abelian power-Yang–Mills theory. It is shown that real solutions of the gravitational field equations exist only for positive values of quartic ...
Askar Ali, Khalid Saifullah
doaj   +1 more source

Black theology in South Africa – A theology of human dignity and black identity

open access: yesHTS Teologiese Studies/Theological Studies, 2016
Black theology in South Africa is still relevant 20 years after the apartheid regime ended. It is a theology that gave to Black South Africans human dignity and a black identity.
Timothy van Aarde
doaj   +1 more source

Lupta afro-americanilor in Statele Unite – Civil power or Black Power?

open access: yesPerspective Politice, 2017
The society we live in today has been profundly shaped by the clash of cultures and civilizations and more recently, by ideological conflicts. It is also the case of the United States of America, whose history and evolution was marked by the continuous ...
Ana-Maria VARLAN
doaj  

The Power In Secrets: Relearn - Redefine - Rebuild

open access: yes, 2022
The Power in Secrets: Relearn - Redifine - Rebuild Friday, December 2016. 7 p.m. Loeb Playhouse, Stewert Center General Public $7, Students $5 Black Wall Street is rebuilt and better than EVER! ATTENTION!
Purdue University. Black Cultural Center
core  

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