Electrical & Power Generation White Papers

SCR Timing and the Zero Crossing
Description: This paper presents the criteria to be considered in selecting a tap switching voltage regulator, detailing the advantages of using Controlled Power Company's Power Processor. Crucial design considerations of tap switching voltage regulators are... More
Publisher: Controlled Power Co.
Release Date: 2007-10-25

Variable Speed Drives / Electrical Problems and Solutions
Description: This paper describes the features of Controlled Power Company's Power Processor which ensures long life and trouble free operation of variable speed drives (VSD), with its specialized control sensing and isolation transformer. It lists the use of... More
Publisher: Controlled Power Co.
Release Date: 2007-10-25

3-Phase Rectifier Input Ratings
Description: This paper covers the methods of calculating kVA and AC line current input ratings for 3-phase rectifiers. It examines various factors such as the rectifier circuit design, the turns ration of the transformer to be considered while determining the... More
Publisher: Controlled Power Co.
Release Date: 2007-10-08

Modular Rectifier Vs. Single Transformer Efficiency
Description: This paper presents the benefits of using a single transformer rectifier in comparison with a multi-transformer (modular) rectifier, and compares the efficiencies of the single transformer rectifier and modular rectifier, providing a method for... More
Publisher: Controlled Power Co.
Release Date: 2007-10-08

What is Ripple ?
Description: The concept of ripple as the AC component that rides on the DC output of a rectifier, and its effects on the performance of rectifiers are described in this paper. The damaging effects of high amounts of ripple on some DC power applications in metal... More
Publisher: Controlled Power Co.
Release Date: 2007-10-08

UltraVolt HVPS Output-Current Monitor
Description: This paper describes the functions of the output-current monitor (Iout Monitor) feature of UltraVolt's high-voltage power supplies (HVPSs), which allows the total output current of the HV multiplier to be monitored. It illustrates how the current... More
Publisher: UltraVolt Inc.
Release Date: 2007-09-01

Lock Out/Tagout Procedures During Die Change
Description: The code of federal regulations part 1910.147 covers the control of hazardous energy during servicing and maintenance of machines and equipment in which the unexpected energization or start up of the machines or equipment, or release of stored... More
Publisher: Production Resources, Inc.
Release Date: 2007-08-29

10GBASE-T: 10 Gigabit Ethernet over Twisted-Pair Copper
Description: This paper reviews the background of the development of 10GBASE-T, a 10 Gigabit Ethernet network over twisted-pair copper which helps in leveraging existing structured cabling. The application of 10GBASE-T in data centers and enterprise server farms... More
Publisher: Belden Electronics Div.
Release Date: 2007-08-01

Phase Shifting for Harmonic Cancellation
Description: This paper details the benefits of using phase shifting transformers to eliminate 5th and 7th harmonics which cause distortion and heating problems in a three phase power distribution system, highlighting the capabilities of Controlled Power... More
Publisher: Controlled Power Co.
Release Date: 2007-07-29

Temperature Rise
Description: This paper describes the capabilities of Controlled Power Company's Ultra-K, K-rated shielded isolation transformer, which is manufactured with high grade M-6 silicon steel and has maximum temperature rise of 115°C with a 200°C insulation system. It... More
Publisher: Controlled Power Co.
Release Date: 2007-04-06