CN203205887U - Mining four-quadrant frequency converter - Google Patents
Mining four-quadrant frequency converter Download PDFInfo
- Publication number
- CN203205887U CN203205887U CN2012206850059U CN201220685005U CN203205887U CN 203205887 U CN203205887 U CN 203205887U CN 2012206850059 U CN2012206850059 U CN 2012206850059U CN 201220685005 U CN201220685005 U CN 201220685005U CN 203205887 U CN203205887 U CN 203205887U
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- CN
- China
- Prior art keywords
- frequency converter
- mining
- vacuum
- contactor
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012206850059U CN203205887U (en) | 2012-12-12 | 2012-12-12 | Mining four-quadrant frequency converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012206850059U CN203205887U (en) | 2012-12-12 | 2012-12-12 | Mining four-quadrant frequency converter |
Publications (1)
Publication Number | Publication Date |
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CN203205887U true CN203205887U (en) | 2013-09-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012206850059U Expired - Fee Related CN203205887U (en) | 2012-12-12 | 2012-12-12 | Mining four-quadrant frequency converter |
Country Status (1)
Country | Link |
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CN (1) | CN203205887U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105119473A (en) * | 2015-08-28 | 2015-12-02 | 洛阳中重自动化工程有限责任公司 | Explosion-proof frequency converter and method for safety interlock protection of mine hoist |
CN109618540A (en) * | 2019-01-02 | 2019-04-12 | 深圳易能电气技术股份有限公司 | A kind of cooling system of four-quadrant frequency converter |
-
2012
- 2012-12-12 CN CN2012206850059U patent/CN203205887U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105119473A (en) * | 2015-08-28 | 2015-12-02 | 洛阳中重自动化工程有限责任公司 | Explosion-proof frequency converter and method for safety interlock protection of mine hoist |
CN105119473B (en) * | 2015-08-28 | 2018-01-30 | 洛阳中重自动化工程有限责任公司 | Explosion-proof frequency converter and method for safety interlock protection of mine hoist |
CN109618540A (en) * | 2019-01-02 | 2019-04-12 | 深圳易能电气技术股份有限公司 | A kind of cooling system of four-quadrant frequency converter |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mining four-quadrant frequency converter Effective date of registration: 20140605 Granted publication date: 20130918 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2014990000436 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150529 Granted publication date: 20130918 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2014990000436 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mining four-quadrant frequency converter Effective date of registration: 20150604 Granted publication date: 20130918 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2015990000434 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20171212 |