Universal pulse width modulation integrated circuit for power electric current transormer

A technology of pulse width modulation and integrated circuit, applied in the direction of converting irreversible AC power input into DC power output, etc., to achieve the effects of fast speed, simple design, improved stability and reliability
CN100367647CInactive Publication Date: 2008-02-06TSINGHUA UNIV
1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
TSINGHUA UNIV
Publication Date
2008-02-06
Estimated Expiration
Not applicable ยท inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

An universal pulse width modulation integrated circuit for electronic current transformer of electric power consists of a set of parameter setting registers , a data interface circuit , a digital tracking circuit of three phase synchronous phase angle , a clock frequency division circuit for sampling , a triggering signal generation circuit for sampling , a calculation circuit of reference voltage , a data format switching circuit of reference voltage , a pulse width modulation calculating circuit , K numbers of the same switch state output time sequence control circuit and K numbers of the same switch state switching circuit .
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to a general pulse width modulation integrated circuit for power electronic converters, so as to realize the general pulse width modulation (hereinafter referred to as PWM) control of multilevel converters with various levels and numbers, and at the same time be able to The invention relates to a carrier phase-shifting PWM control mode of various stages, and belongs to the technical field of pulse control of power electronic converters and the technical field of application-specific integrated circuits. Background technique

[0002] The role of power electronic converters in industrial systems is becoming more and more important, and they have shown great advantages and irreplaceable roles in the fields of power transmission and distribution, electric drive and speed regulation, and new energy utilization. With the continuous development of power electronics technology, the topology of the converter has developed from the ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More