Isolating Transformers Articles & Analysis
8 articles found
Low-Frequency DC / Low-Frequency Inverter Design What it means: “Low-frequency inverter” usually refers to a design where DC is converted to AC at the grid frequency (50/60 Hz) through a transformer operating at that same low frequency. In contrast, “high-frequency inverters” convert DC to a high-frequency AC for transformer ...
The power supply of telephone plants and FM/TV relay stations has always entailed numerous problems and specific needs which are difficult to meet, among them: to assure the safety of operators working on the plants, according to the law to assure continuity of operation to the plants to create a compact distribution system for all loads usually present in relay stations to limit the costs ...
The Power Quality problems of an electrical distribution network are often generated locally within the structures and can depend on various situations, such as, for example, construction works, switching on high loads, faulty distribution components and particular basic electrical disturbances. Furthermore, external causes such as atmospheric events (hurricanes, lightning, snow, ice and ...
In particular, the protection is implemented through a specially designed surge suppression circuit which includes a shielded isolation transformer, filters and a Voltage Stabilization section capable of compensating for an input variation of ±25%. These particular IREM Line Conditioners of the Steroguard range guarantee a high level of Power Quality by ...
Power inverter is connected to the low-pass filter and isolation transformer. It can filter out the harmonic below N-1, where N is trigger pulses flow of current period. ...
ByGoHz Inc
High–frequency transformer isolated DC–to–DC converters are widely used for power conversion in alternate energy and other applications. ...
Based on a systematic classification of dc source to utility interfacing schemes, this paper presents six major interfacing schemes for connecting fuel cells to a single-phase utility line using high-frequency transformer isolated power converters. The operation, advantages and disadvantages are discussed for each scheme with examples and operating waveforms. ...
In this paper, an analysis and design of a high-frequency transformer isolated single-phase buck-boost AC–DC Cuk converter is presented for both discontinuous and continuous conduction modes (DCM and CCM) of operation. ...