CN112751491A - High-voltage power supply system of deep-sea moving grab bucket - Google Patents
High-voltage power supply system of deep-sea moving grab bucket Download PDFInfo
- Publication number
- CN112751491A CN112751491A CN202011543061.4A CN202011543061A CN112751491A CN 112751491 A CN112751491 A CN 112751491A CN 202011543061 A CN202011543061 A CN 202011543061A CN 112751491 A CN112751491 A CN 112751491A
- Authority
- CN
- China
- Prior art keywords
- unit
- phase
- deck
- power supply
- signal connection
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
- H02H7/1255—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to internal faults, e.g. by monitoring ripple in output voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention relates to the technical field of high-voltage power supply of a deep sea moving grab bucket, and discloses a high-voltage power supply system of the deep sea moving grab bucket, which comprises a deck high-voltage cabinet unit, an underwater transformer unit and a rectifying cabin unit, wherein the transmitting end of the deck high-voltage cabinet unit is in signal connection with the receiving end of the underwater transformer unit, and the transmitting end of the underwater transformer unit is in signal connection with the receiving end of the rectifying cabin unit; the transmitting end of the deck high-voltage cabinet unit is in signal connection with the receiving ends of the deck control cabinet unit and the deck step-up transformer unit, and the transmitting end of the deck step-up transformer unit is in signal connection with the receiving ends of the pilot control unit and the digital display unit. When the high-voltage power supply system for the deep sea mobile grab bucket is used, 380VAC three-phase alternating current for ship power is converted into high voltages of four voltage levels of 1500V, 2000V, 2800V and 3300V by the deck step-up transformer step-up unit through the deck high-voltage cabinet unit, the high voltage is transmitted to the underwater transformer unit of the mobile platform, and stable power supply operation can be guaranteed through the high voltage.
Description
Technical Field
The invention relates to the technical field of high-voltage power supply of a deep-sea moving grab bucket, in particular to a high-voltage power supply system of the deep-sea moving grab bucket.
Background
The grab buckets are divided into 3 types of light (such as grabbing grains), medium (such as grabbing gravel) and heavy (such as grabbing iron ores) according to the stacking density of the grabbed materials; the grab bucket is divided into a double-jaw grab bucket and a multi-jaw grab bucket according to the number of jaws, and the double-jaw grab bucket is most commonly used. The multi-jaw plate grab bucket is suitable for large ores, scrap iron, scrap steel and the like, and has the characteristics of multiple claws and sharp notches, so that the multi-jaw plate grab bucket is easy to insert into a material pile, and a better grabbing effect can be obtained. The gripping force of the scissor grab bucket can be gradually increased along with the closing of the jaw plates and reaches the maximum value at the end of closing; the opening degree of the bucket opening and the area of covering materials are larger than those of a common grab bucket, and the grabbing capacity is improved.
The grab bucket needs to be powered by high voltage in deep sea, and the existing deep sea grab bucket cannot stably operate, so that a high-voltage power supply system for the deep sea movable grab bucket needs to be invented.
Disclosure of Invention
The invention provides a high-voltage power supply system for a deep-sea moving grab bucket.
According to the first aspect of the application, a deep sea mobile grab bucket high-voltage power supply system is provided, which comprises a deck high-voltage cabinet unit, an underwater transformer unit and a rectifying cabin unit, wherein a transmitting end of the deck high-voltage cabinet unit is connected with a receiving end of the underwater transformer unit through signals, and a transmitting end of the underwater transformer unit is connected with a receiving end of the rectifying cabin unit through signals.
The deck high-voltage cabinet unit comprises a deck control cabinet unit, a deck step-up transformer unit, a pilot control unit and a digital display unit, wherein the transmitting end of the deck high-voltage cabinet unit is connected with the receiving ends of the deck control cabinet unit and the deck step-up transformer unit through signals, and the transmitting end of the deck step-up transformer unit is connected with the receiving ends of the pilot control unit and the digital display unit through signals.
The rectifying bin unit comprises a first three-phase solid-state contactor unit, a first three-phase bridge rectifying bridge, a second voltage-stabilizing capacitor unit, a propeller control center unit, an electric control system power supply unit, a second voltage-stabilizing capacitor unit, a second three-phase bridge rectifying bridge, a second three-phase solid-state contactor unit and a three-phase alternating current motor unit, wherein the transmitting end of the rectifying bin unit is in signal connection with the first three-phase solid-state contactor unit, the second three-phase bridge rectifying bridge and the second three-phase solid-state contactor unit, the transmitting end of the first three-phase solid-state contactor unit is in signal connection with the first three-phase bridge rectifying bridge receiving end, the transmitting end of the first three-phase bridge rectifying bridge is in signal connection with the propeller control center unit receiving end, the transmitting end of the second three-phase bridge rectifying bridge is in signal, and the two transmitting ends of the three-phase solid-state contactor unit are in signal connection with the receiving end of the three-phase alternating current motor unit.
Further, a voltage stabilizing capacitor unit II is arranged between the three-phase bridge rectifier bridge I and the propeller control center unit, and a transmitting end of the voltage stabilizing capacitor unit II is in signal connection with a receiving end of the three-phase bridge rectifier bridge I and a receiving end of the propeller control center unit 7.
Furthermore, the first transmitting end of the three-phase solid-state contactor unit is in signal connection with the receiving end of the power supply unit of the electric control system, and the second transmitting end of the three-phase solid-state contactor unit is in signal connection with the receiving end of the power supply unit of the electric control system.
Further, the transmitting end of the underwater transformer unit is connected with the receiving ends of a first three-phase solid-state contactor unit, a second three-phase bridge rectifier bridge and a second two three-phase solid-state contactor unit through signals, the first three-phase solid-state contactor unit is 660VAC/200A or above three-phase solid-state contactor unit, the second three-phase bridge rectifier bridge is 1600V/200A three-phase bridge rectifier bridge, and the second three-phase solid-state contactor unit is 480VAC/100A three-phase solid-state contactor.
Furthermore, the first three-phase bridge rectifier bridge is more than 1600V/200A, the MDS is 200A or more, the first voltage stabilizing capacitor unit is a 300VDC voltage stabilizing capacitor, and the second voltage stabilizing capacitor unit is a 600VDC voltage stabilizing capacitor.
Furthermore, the deck step-up transformer unit is composed of a molded case circuit breaker, a protective tube and a transformer body, the rated power of the transformer body is 50KVA, and the deck step-up transformer unit is provided with a temperature sensing module.
Furthermore, the deck step-up transformer unit is provided with an emergency stop button unit, and the transmitting end of the emergency stop button unit is in signal connection with the receiving end of the deck step-up transformer unit.
Furthermore, the deck step-up transformer unit is provided with an overload protection module, a short-circuit protection module and a phase-failure tripping module, and the transmitting end of the deck transformer unit is connected with the receiving ends of the overload protection module, the short-circuit protection module and the phase-failure tripping module through signals.
According to the technical scheme, the invention has the following beneficial effects:
1. the high-voltage power supply system of the deep sea moving grab bucket comprises a deck high-voltage cabinet unit, when in use, the deck high-voltage cabinet unit transmits 380VAC three-phase alternating current for ship electricity to the underwater transformer unit of the mobile platform at high voltage of four voltage levels of 1500V, 2000V, 2800V and 3300V through the deck step-up transformer step-up unit, can ensure stable power supply operation through high voltage, meanwhile, the underwater transformer unit reduces 2800VAC high-voltage power to 380V three-phase alternating current through a ship myriameter armored optical cable to provide energy for the underwater body part of the mobile platform, instability caused by multi-line power supply is solved, the three-phase alternating current is changed into 300VDC and 600VDC direct current through a half-wave rectifier bridge by the rectification bin unit to provide electric energy for the power supply system power supply unit and the propeller control center unit, and stable power supply is further guaranteed.
2. The invention relates to a high-voltage power supply system of a deep sea moving grab bucket, which can achieve the aim of stable operation by an overload protection unit, a short-circuit protection unit, a phase-failure trip protection unit, a coil temperature high-response indication unit and an acousto-optic alarm unit through arrangement of a deck step-up transformer unit, and corresponding actions to protect the transformer from being damaged.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic diagram of the overall system of the present invention;
FIG. 2 is a schematic diagram of a deck high voltage control cabinet unit system;
fig. 3 is a schematic diagram of a rectification bin unit system of the present invention.
Reference numerals:
1. a deck high-voltage cabinet unit; 2. an underwater transformer unit; 3. a rectifying bin unit; 4. a three-phase solid-state contactor unit I; 5. a first three-phase bridge rectifier bridge; 6. a voltage stabilizing capacitor unit II; 7. a propeller control hub unit; 8. an electric control system power supply unit; 9. a voltage stabilizing capacitor unit I; 10. a second three-phase bridge rectifier bridge; 11. a deck control cabinet unit; 12. a deck step-up transformer unit; 13. a second three-phase solid-state contactor unit; 14. a three-phase alternating current motor unit; 15. a pilot control unit; 16. and a digital display unit.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
An xx of the present invention is described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.
Referring to fig. 1 to 3, the high voltage power supply system for the deep sea moving grab bucket of the present application includes a deck high voltage cabinet unit 1, an underwater transformer unit 2 and a rectifying cabin unit 3, wherein a transmitting end of the deck high voltage cabinet unit 1 is in signal connection with a receiving end of the underwater transformer unit 2, a transmitting end of the underwater transformer unit 2 is in signal connection with a receiving end of the rectifying cabin unit 3, a transmitting end of the underwater transformer unit 2 is in signal connection with a receiving end of a pair of a three-phase solid contactor unit one 4, a three-phase bridge rectifying bridge two 10 and a receiving end of a pair of three-phase solid contactor units two 13, the three-phase solid contactor unit one 4 is 660VAC/200A or more three-phase solid contactor units, the three-phase bridge rectifying bridge two 10 is a 1600V/200A three-phase bridge rectifying bridge, the three-phase solid contactor unit two, when the power supply system is used, the deck high-voltage cabinet unit 1 transmits 380VAC three-phase alternating current for ship power to the underwater transformer unit 2 of the mobile platform at high voltage of four voltage levels of 1500V, 2000V, 2800V and 3300V through the deck step-up transformer step-up unit 12, stable power supply operation can be guaranteed through high voltage, meanwhile, the underwater transformer unit 2 reduces 2800VAC high-voltage electricity to 380V three-phase alternating current through the ship myriameter armored optical cable, energy is provided for the underwater body part of the mobile platform, instability caused by multi-line power supply is solved, the rectifying bin unit 3 converts the three-phase alternating current into 300VDC, 600VDC direct-current power supply control system power supply unit 8 and propeller control center unit 7 to provide electric energy after passing through a half-wave rectifying bridge, and stable power supply is further guaranteed.
The deck high-voltage cabinet unit 1 comprises a deck control cabinet unit 11, a deck step-up transformer unit 12, a pilot control unit 15 and a digital display unit 16, wherein the transmitting end of the deck high-voltage cabinet unit 1 is in signal connection with the receiving ends of the deck control cabinet unit 11 and the deck step-up transformer unit 12, the transmitting end of the deck step-up transformer unit 11 is in signal connection with the receiving ends of the pilot control unit 15 and the digital display unit 16, the deck step-up transformer unit 12 is composed of a molded case circuit breaker, a protective tube and a transformer body, the rated power of the transformer body is 50KVA, the deck step-up transformer unit 12 is provided with a temperature sensing module, the deck step-up transformer unit 12 is provided with an emergency stop button unit, the transmitting end of the emergency stop button unit is in signal connection with the receiving end of, The transformer is provided with an emergency stop button, the emergency button can be manually operated to cut off the power of the transformer when the transformer fails but an internal protection device does not act, and stable operation is further ensured.
The rectifying bin unit 3 comprises a first three-phase solid-state contactor unit 4, a first three-phase bridge rectifier bridge 5, a second voltage-stabilizing capacitor unit 6, a propeller control center unit 7, an electric control system power supply unit 8, a second voltage-stabilizing capacitor unit 9, a second three-phase bridge rectifier bridge 10, a second three-phase solid-state contactor unit 13 and a three-phase alternating current motor unit 14, wherein the transmitting end of the rectifying bin unit 3 is in signal connection with the first three-phase solid-state contactor unit 4, the second three-phase bridge rectifier bridge 10 and the receiving end of the second three-phase solid-state contactor unit 13, the transmitting end of the first three-phase solid-state contactor unit 4 is in signal connection with the receiving end of the first three-phase bridge rectifier bridge 5, the transmitting end of the first three-phase bridge rectifier bridge 5 is in signal connection with the receiving end of the propeller control center unit 7, the transmitting, the transmitting end of the second three-phase solid-state contactor unit 13 is in signal connection with the receiving end of the three-phase alternating current motor unit 14, a voltage-stabilizing capacitor unit two 6 is arranged between the first three-phase bridge rectifier bridge 4 and the thruster control center unit 5, the transmitting end of the voltage-stabilizing capacitor unit two 6 is in signal connection with the first three-phase bridge rectifier bridge 5 and the receiving end of the thruster control center unit 7, the transmitting end of the first three-phase solid-state contactor unit 4 is in signal connection with the receiving end of the electric control system power supply unit 8, the transmitting end of the second three-phase solid-state contactor unit 13 is in signal connection with the receiving end of the electric control system power supply unit 8, the first three-phase bridge rectifier bridge 5 is more than 1600V/200A, MDS200A or more than three-phase.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The high-voltage power supply system for the deep sea moving grab bucket comprises a deck high-voltage cabinet unit (1), an underwater transformer unit (2) and a rectifying bin unit (3), wherein the transmitting end of the deck high-voltage cabinet unit (1) is in signal connection with the receiving end of the underwater transformer unit (2), and the transmitting end of the underwater transformer unit (2) is in signal connection with the receiving end of the rectifying bin unit (3);
the deck high-voltage cabinet unit (1) comprises a deck control cabinet unit (11), a deck step-up transformer unit (12), a pilot control unit (15) and a digital display unit (16), wherein the transmitting end of the deck high-voltage cabinet unit (1) is in signal connection with the receiving ends of the deck control cabinet unit (11) and the deck step-up transformer unit (12), and the transmitting end of the deck step-up transformer unit (11) is in signal connection with the receiving ends of the pilot control unit (15) and the digital display unit (16);
rectifying storehouse unit (3) includes three-phase solid state contactor unit (4), three-phase bridge rectifier bridge (5), voltage stabilizing capacitor unit two (6), propeller control maincenter unit (7), electrical system power supply unit (8), voltage stabilizing capacitor unit two (9), three-phase bridge rectifier bridge two (10), three-phase solid state contactor unit two (13) and three-phase AC motor unit (14), rectifying storehouse unit (3) transmitting terminal signal connection three-phase solid state contactor unit (4), three-phase bridge rectifier bridge two (10) and three-phase solid state contactor unit two (13) receiving terminal, three-phase solid state contactor unit one (4) transmitting terminal signal connection three-phase bridge rectifier bridge (5) receiving terminal, three-phase bridge rectifier bridge one (5) transmitting terminal signal connection propeller control maincenter unit (7) receiving terminal, three-phase bridge rectifier bridge two (10) transmitting terminal signal connection voltage stabilizing capacitor unit one (9) receiving terminal The transmitting end of the first voltage-stabilizing capacitor unit (9) is in signal connection with the receiving end of the power supply unit (8) of the electric control system, and the transmitting end of the second three-phase solid-state contactor unit (13) is in signal connection with the receiving end of the three-phase alternating current motor unit (14).
2. The deep sea moving grab bucket high voltage power supply system of claim 1, characterized in that: and a voltage-stabilizing capacitor unit II (6) is arranged between the three-phase bridge rectifier bridge I (4) and the propeller control center unit (5), and the transmitting end of the voltage-stabilizing capacitor unit II (6) is in signal connection with the three-phase bridge rectifier bridge I (5) and the receiving end of the propeller control center unit (7).
3. The deep sea moving grab bucket high voltage power supply system of claim 1, characterized in that: the three-phase solid-state contactor unit I (4) transmitting end is in signal connection with the receiving end of the power supply unit (8) of the electric control system, and the three-phase solid-state contactor unit II (13) transmitting end is in signal connection with the receiving end of the power supply unit (8) of the electric control system.
4. The deep sea moving grab bucket high voltage power supply system of claim 1, characterized in that: the receiving end that transformer unit (2) transmitting terminal signal connection three-phase solid state contactor unit (4), three-phase bridge rectifier bridge two (10) and three-phase solid state contactor unit two (13) are right under water, three-phase solid state contactor unit (4) are 660VAC/200A or above three-phase solid state contactor unit, three-phase bridge rectifier bridge two (10) are 1600V/200A three-phase bridge rectifier bridge, three-phase solid state contactor unit two (13) are 480VAC/100A three-phase solid state contactor.
5. The deep sea moving grab bucket high voltage power supply system of claim 1, characterized in that: the three-phase bridge rectifier bridge is characterized in that the first three-phase bridge rectifier bridge (5) is more than 1600V/200A, MDS200A or more, the first voltage stabilizing capacitor unit (9) is a 300VDC voltage stabilizing capacitor, and the second voltage stabilizing capacitor unit (6) is a 600VDC voltage stabilizing capacitor.
6. The deep sea moving grab bucket high voltage power supply system of claim 1, characterized in that: the deck step-up transformer unit (12) is composed of a molded case circuit breaker, a protective tube and a transformer body, the rated power of the transformer body is 50KVA, and the deck step-up transformer unit (12) is provided with a temperature sensing module.
7. The deep sea moving grab bucket high voltage power supply system of claim 1, characterized in that: the deck step-up transformer unit (12) is provided with an emergency stop button unit, and the transmitting end of the emergency stop button unit is in signal connection with the receiving end of the deck step-up transformer unit (12).
8. The deep sea moving grab bucket high voltage power supply system of claim 1, characterized in that: the deck step-up transformer unit (12) is provided with an overload protection module, a short-circuit protection module and a phase-failure tripping module, and a transmitting end of the deck transformer unit (12) is connected with a receiving end of the overload protection module, the short-circuit protection module and the phase-failure tripping module through signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011543061.4A CN112751491A (en) | 2020-12-23 | 2020-12-23 | High-voltage power supply system of deep-sea moving grab bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011543061.4A CN112751491A (en) | 2020-12-23 | 2020-12-23 | High-voltage power supply system of deep-sea moving grab bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112751491A true CN112751491A (en) | 2021-05-04 |
Family
ID=75647388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011543061.4A Pending CN112751491A (en) | 2020-12-23 | 2020-12-23 | High-voltage power supply system of deep-sea moving grab bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112751491A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809124A (en) * | 2018-08-16 | 2018-11-13 | 华北科技学院 | A kind of efficient phase control rectifier driving circuit of self-shield |
| CN109904874A (en) * | 2019-04-04 | 2019-06-18 | 中国地质大学（北京） | A kind of long-range transmission & distribution method for electrically of ocean controllable source electromagnetism superhigh voltage DC |
| CN210246611U (en) * | 2019-08-22 | 2020-04-03 | 中铁一局集团电务工程有限公司 | Three-phase voltage booster |
| CN212012476U (en) * | 2020-05-21 | 2020-11-24 | 中国科学院沈阳自动化研究所 | Power transmission system of remote control submersible |
-
2020
- 2020-12-23 CN CN202011543061.4A patent/CN112751491A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809124A (en) * | 2018-08-16 | 2018-11-13 | 华北科技学院 | A kind of efficient phase control rectifier driving circuit of self-shield |
| CN109904874A (en) * | 2019-04-04 | 2019-06-18 | 中国地质大学（北京） | A kind of long-range transmission & distribution method for electrically of ocean controllable source electromagnetism superhigh voltage DC |
| CN210246611U (en) * | 2019-08-22 | 2020-04-03 | 中铁一局集团电务工程有限公司 | Three-phase voltage booster |
| CN212012476U (en) * | 2020-05-21 | 2020-11-24 | 中国科学院沈阳自动化研究所 | Power transmission system of remote control submersible |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11322926B2 (en) | Hybrid DC circuit breaker | |
| EP3123586B1 (en) | System and method for direct current power transmission | |
| Cairoli et al. | New Horizons in DC Shipboard Power Systems: New fault protection strategies are essential to the adoption of dc power systems | |
| CN110892600B (en) | Charging system | |
| US9478996B2 (en) | Battery cell unit comprising a battery cell and a monitoring and actuation unit for monitoring the battery cell and method for monitoring a battery cell | |
| CN109217458B (en) | Hybrid main power supply system of electric ship and control method | |
| CN106385101B (en) | Method and device for realizing power supply of high-power elevator automatic rescue device | |
| JP4802232B2 (en) | Power supply | |
| US11962142B2 (en) | Power distribution system for moving body | |
| CN108995551B (en) | Storage battery emergency charging circuit for motor car | |
| SE436952B (en) | POWER SWITCH FOR HIGH POWER DC | |
| US11005408B2 (en) | Protective device for an electric drive system, electric drive system, and method for operating an electric drive system | |
| CN112751491A (en) | High-voltage power supply system of deep-sea moving grab bucket | |
| CN102555838B (en) | Shoreside moving type marine substation integrated system | |
| CN110574253B (en) | energy storage system | |
| CN202541349U (en) | Shore movable transformer substation integration system for boat | |
| US12113393B2 (en) | Self-powered IED for a pole-mounted auto-recloser | |
| US6038117A (en) | Power switching apparatus | |
| RU2653856C2 (en) | Frequency converter | |
| EP3038226B1 (en) | System and method for supplying electric power | |
| CN201536268U (en) | Battery balancing device | |
| SE523818C2 (en) | Device by boat | |
| CN216086145U (en) | Direct-current protection system of pure electric ship | |
| CN214153551U (en) | Electrical control cabinet for ship mooring winch control console | |
| CN203133196U (en) | An airplane charger testing box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210504 |
|
| RJ01 | Rejection of invention patent application after publication |