公开(公告)号：US10778122B2

公开(公告)日：2020-09-15

申请号：US15053680

申请日：2016-02-25

Applicant: Eaton Corporation

Inventor： Xiaoyuan Hong ,  Hao Luo ,  Kevin Lee

IPC: H02P27/04 ,  H02P1/52 ,  H02P1/30

Abstract: A connecting device for motor and supply network is provided, comprising: a Variable Frequency Drive (VFD), a first switch (S1) and a second switch (S2), wherein the Variable Frequency Drive (VFD) is connected in series to the first switch (S1), and the second switch (S2) is connected in parallel to the series circuit composed of the Variable Frequency Drive (VFD) and the first switch (S1). The connecting device of the invention further comprises a bidirectional Silicon Controlled Rectifier (SCR) or two anti-parallel single-directional Silicon Controlled Rectifiers (SCR1,SCR2), wherein the bidirectional Silicon Controlled Rectifier (SCR) or the two anti-parallel single-directional Silicon Controlled Rectifiers (SCR1,SCR2) is/are connected in parallel to the second switch (S2). The connecting device of the present invention would not be subject to high current surge when VFD bypassing, avoids the high cost for the overrating of the cable and the bypassing switch, and is easy to be implemented.

公开(公告)号：US20160254763A1

公开(公告)日：2016-09-01

申请号：US15053680

申请日：2016-02-25

Applicant: Eaton Corporation

Inventor： Xiaoyuan Hong ,  Hao Luo ,  Kevin Lee

IPC: H02P1/52

CPC classification number: H02P1/52 ,  H02P1/30

Abstract: A connecting device for motor and supply network is provided, comprising: a Variable Frequency Drive (VFD), a first switch (S1) and a second switch (S2), wherein the Variable Frequency Drive (VFD) is connected in series to the first switch (S1), and the second switch (S2) is connected in parallel to the series circuit composed of the Variable Frequency Drive (VFD) and the first switch (S1). The connecting device of the invention further comprises a bidirectional Silicon Controlled Rectifier (SCR) or two anti-parallel single-directional Silicon Controlled Rectifiers (SCR1,SCR2), wherein the bidirectional Silicon Controlled Rectifier (SCR) or the two anti-parallel single-directional Silicon Controlled Rectifiers (SCR1,SCR2) is/are connected in parallel to the second switch (S2). The connecting device of the present invention would not be subject to high current surge when VFD bypassing, avoids the high cost for the overrating of the cable and the bypassing switch, and is easy to be implemented.

Abstract translation: 提供了一种用于电动机和供电网络的连接装置，包括：变频驱动（VFD），第一开关（S1）和第二开关（S2），其中变频驱动（VFD）串联连接到第一 开关（S1）和第二开关（S2）并联连接到由变频驱动（VFD）和第一开关（S1）组成的串联电路。 本发明的连接装置还包括双向硅控制整流器（SCR）或两个反并联单向硅控制整流器（SCR1，SCR2），其中双向硅控整流器（SCR）或两个反并联单相整流器 定向硅控整流器（SCR1，SCR2）与第二开关（S2）并联连接。 当VFD旁路时，本发明的连接装置不会受到高电流浪涌，避免了电缆和旁路开关的过高的高成本，并且易于实现。