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The J.W. Jung Seed Company is a family-owned and operated garden seed company founded in 1907 in Randolph, Wisconsin by John William "J.W." Jung. [1] The company publishes several seed catalogs including Jung Seed, Totally Tomatoes, Vermont Bean Seed Company, Edmunds Roses, Roots & Rhizomes, R. H. Shumway, McClure & Zimmerman and HPS Seed. [2]
A high-pressure sodium street light in Toronto A high-pressure sodium-vapor lamp An HPS lamp that isn't entirely off. A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties of such lamps exist: low pressure and high pressure.
For example, a transformer with a vector group of Dy1 has a delta-connected HV winding and a wye-connected LV winding. The phase angle of the LV winding lags the HV by 30 degrees. Note that the high-voltage (HV) side always comes before the low-voltage (LV) side, regardless of which is the primary winding.
Pages in category "Electric transformer manufacturers" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. A. ABB; G.
The Health Physics Society (HPS) is a nonprofit scientific professional organization whose mission is excellence in the science and practice of radiation safety.It is based in the United States and the specific purposes of the society's activities include encouraging research in radiation science, developing standards, and disseminating radiation safety information.
400 MVA 220/155 kV phase-shifting transformer.. A phase angle regulating transformer, phase angle regulator (PAR, American usage), phase-shifting transformer, phase shifter (West coast American usage), or quadrature booster (quad booster, British usage), is a specialised form of transformer used to control the flow of real power on three-phase electric transmission networks.
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