CN106100511A - A kind of control device of DCS room 10kV motor - Google Patents
A kind of control device of DCS room 10kV motor Download PDFInfo
- Publication number
- CN106100511A CN106100511A CN201610542844.8A CN201610542844A CN106100511A CN 106100511 A CN106100511 A CN 106100511A CN 201610542844 A CN201610542844 A CN 201610542844A CN 106100511 A CN106100511 A CN 106100511A
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- motor
- normally opened
- node
- permutator
- pair
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
Abstract
The present invention provides the control device of a kind of DCS room 10kV motor, relates to high-tension motor and controls technical field.This device includes motor protector, current transformer group, fuse group, miniature circuit breaker, high-pressure vacuum contactor, permutator, motor temperature detect switch (TDS), auxiliary reclay, switch knob, opening button and primary cut-out normally opened contact, utilizes the communication function of motor protector to achieve in DCS room and uses communication modes to control the start-stop of 10kV motor.The present invention increases the motor protector being applied to low-tension motor in high voltage connector cabinet; the unification of high-low pressure motor control mode can be realized; be conducive to standardized implementation; can effectively reduce control cable and the consumption of cable testing bridge; also can arbitrarily increase the input/output signal of 10kV motor in the later stage is run; decrease maintenance, maintenance workload, reduce cost of investment and running cost.
Description
Technical field:
The present invention relates to high-tension motor and control technical field, particularly relate to the control dress of a kind of DCS room 10kV motor
Put.
Background technology:
The control mode that all motor of alumina producer are all carried out on the spot/concentrated, controls on the spot by being arranged on motor
Other on-site control case (being called for short the other case of machine) realizes, and centralized Control is realized by the centralized control system of DCS room is unified.Low-tension motor is adopted
It is controlled protection with motor protector, communicatively can carry out centralized Control in DCS room by its DP communication interface, and
10kV motor is to use integrated automation device to protect, and it only has communication RS-485 interface, and does not has DP communication interface,
And its communication RS-485 interface oneself cause electric ECS control centre, so 10kV motor be typically with control cable draw
To technique DCS room, carry out centralized Control in hardwire mode.
10kV motor uses and controls cable and carry out centralized Control in hardwire mode, has a following weak point:
(1) 10kV motor can not arbitrarily be increased in the maintenance in later stage to the input/output signal of DCS, to 10kV electricity
The collection of motivation data has certain limitation；
(2) low voltage motor all uses communication modes, and 10kV motor uses hardwire mode, makes DCS receive electronic
The pattern disunity of machine control signal, is unfavorable for standardized implementation；
(3) add control cable, the expense of cable testing bridge, too increase the maintenance of run duration, maintenance workload.
Summary of the invention:
For the defect of prior art, the present invention provides the control device of a kind of DCS room 10kV motor, by communication side
Formula carries out start-stop control in technique DCS room to 10kV motor, can realize the unification of high-low pressure motor control mode, effectively reduce
Control cable and the consumption of cable testing bridge.
The present invention provides the control device of a kind of DCS room 10kV motor, including motor protector MK, current transformer
Continue in group, fuse group, miniature circuit breaker ZK, high-pressure vacuum contactor KM, permutator SA, motor temperature detect switch (TDS) WK, centre
Electrical equipment KA, switch knob SF, opening button SS and primary cut-out normally opened contact QF；
Current transformer group includes three current transformers TA1, TA2 and TA3, the of the secondary side of three current transformers
One end is connected with three current samples input Pc01, Pc03 and Pc05 of motor protector MK respectively, three current transformers
The second end of secondary side input common port Pc06 respectively with the current sample of motor protector MK and be connected also ground connection；
Fuse group includes three fuses FU1, FU2 and FU3, and first end of three fuses FU1, FU2 and FU3 is respectively
Be connected with the triple line drawing outward 380V alternating current power supply, second end of three fuses FU1, FU2 and FU3 respectively with motor protector
Three voltage samples input Pc09, Pc10 and Pc12 of MK connect；
First end of miniature circuit breaker ZK the first pole is connected with exchanging little bus phase line L, miniature circuit breaker ZK the second pole
First end is connected with exchanging little bus zero line N；Second end of miniature circuit breaker ZK the first pole and high-pressure vacuum contactor KM first
To the first end of normally opened contact, high-pressure vacuum contactor KM first to the first end of normally-closed contact, permutator SA the 3rd to joint
First end of node is connected by the first end of point, permutator SA first by the first end, the permutator SA second of node respectively；
High-pressure vacuum contactor KM first to the second end of normally opened contact and high-pressure vacuum contactor KM first to normally-closed contact second
End, the second end of miniature circuit breaker ZK the second pole connect respectively；
Second end of the 3rd pair of node of permutator SA successively with motor temperature detect switch (TDS) WK, the line of auxiliary reclay KA
Circle, the second end of miniature circuit breaker ZK the second pole connect；Permutator SA first to the second end of node successively with opening button
SS, switch knob SF, primary cut-out normally opened contact QF, the coil of high-pressure vacuum contactor KM, miniature circuit breaker ZK the second pole
Second end connect；Second pair of normally opened contact of switch knob SF two ends parallel high voltage vacuum contactor KM；Switch knob SF is even
One end output contact normally opened with motor protector MK MQD the first end meeting primary cut-out normally opened contact QF is connected, and motor is protected
Node the second end is connected by device MK normally opened output contact MQD the second end with permutator SA second；
The 4th pair of node the first end of permutator SA, high-pressure vacuum contactor KM the 3rd pair of normally opened contact the first end, centre
Relay K A normally opened contact the first end, standby normally opened contact S the first end respectively with first signal input part of motor protector MK
X2-1, secondary signal input X2-2, the 3rd signal input part X2-3, the 4th signal input part X2-4 connect；Permutator SA
4th pair of node the second end, the 3rd pair of normally opened contact the second end of high-pressure vacuum contactor KM, auxiliary reclay KA normally opened contact
Two ends, standby normally opened contact S the second end are all connected with the input signal common port X2-5 of motor protector MK；
The working power input X1-2 of motor protector MK is connected with drawing outward 220V alternating current power supply；
The input/output signal of 10kV motor and current signal use communication by the DP communication port of motor protector MK
Line causes DCS room.
Further, this device also includes combined floodgate display lamp HR and separating brake display lamp HG；Combined floodgate display lamp HR is connected to micro-
Between second end of type chopper ZK the first pole and high-pressure vacuum contactor KM first are to the first end of normally opened contact；Separating brake indicates
Lamp HG is connected to the second end and the high-pressure vacuum contactor KM first first end to normally-closed contact of miniature circuit breaker ZK the first pole
Between.
Further, the working power input X1-2 of motor protector MK and drawing outward between 220V alternating current power supply by
Individual fuse FU4 connects.
Further, motor protector MK, current transformer group, fuse group, miniature circuit breaker ZK, high pressure vacuum contact
Device KM and auxiliary reclay KA is arranged in high voltage connector cabinet, and primary cut-out normally opened contact QF is arranged on high-voltage circuit breaker cabinet
In, permutator SA, switch knob SF, opening button SS, combined floodgate display lamp HR and separating brake display lamp HG are arranged in the other case of machine,
Motor temperature detect switch (TDS) WK is installed on 10kV motor body.
Further, the gear of permutator SA includes shelves, middle 0 grade and DCS shelves on the spot；Gear forward on the spot shelves time,
First pair of node of permutator SA and the 3rd pair of node Guan Bi, when gear forwards middle 0 grade to, all nodes of permutator SA
Do not close, when gear forwards DCS shelves to, second pair of node of permutator SA, the 3rd pair of node and the 4th pair of node Guan Bi.
As shown from the above technical solution, the control device of a kind of DCS room 10kV motor that the present invention provides, at high-voltage connecting
Increase the motor protector being applied to low-tension motor in tentaculum cabinet, utilize the communication function of motor protector to achieve at DCS
Room uses communication modes to control the start-stop of 10kV motor, can realize the unification of high-low pressure motor control mode, beneficially standard
The implementation changed, can effectively reduce control cable and the consumption of cable testing bridge, also can arbitrarily increase 10kV in the later stage is run electronic
The input/output signal of machine, decreases maintenance, maintenance workload, reduces cost of investment and running cost.
Accompanying drawing illustrates:
Fig. 1 is the 10kV motor distribution system diagram of the embodiment of the present invention；
Fig. 2 is the control device circuit schematic diagram of the DCS room 10kV motor of the embodiment of the present invention；
Fig. 3 is the structural representation of the 10kV high voltage connector cabinet of the embodiment of the present invention.
In figure: A, busbar compartment；B, circuit breaker cart room；C, cable vault；D, relay control room；1, high pressure vacuum contact
The end of incoming cables of device KM；2, earthed switch；3, overvoltage protection device；4, inlet wire cable；5, outlet cable.
Detailed description of the invention:
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
In the present embodiment, the disintegrating machine M of 10kV, a 355kW in certain alumina producer being carried out distribution, distribution arranges high pressure
Breaker cabinet and high voltage connector cabinet, its distribution system major loop is as it is shown in figure 1, use comprehensive automation in high-voltage circuit breaker cabinet
Device carries out electic protection to disintegrating machine M, and the catalyst in high voltage connector cabinet only carries out on-off 10kV to disintegrating machine M
The operation of main power source.Use DCS room 10kV motor controls the two places operation side that disintegrating machine M is carried out on the spot/concentrates by device
The control of formula, controls behaviour on the spot and is taken as the other case of machine and carries out start-stop control, and centralized Control behaviour is taken as communication modes in work
Skill DCS room carries out start-stop control.
The control device of a kind of DCS room 10kV motor, as in figure 2 it is shown, include motor protector MK, current transformer
Continue in group, fuse group, miniature circuit breaker ZK, high-pressure vacuum contactor KM, permutator SA, motor temperature detect switch (TDS) WK, centre
Electrical equipment KA, switch knob SF, opening button SS, combined floodgate display lamp HR, separating brake display lamp HG and primary cut-out normally opened contact QF.
Wherein, motor protector MK uses UNT-MMI model；Current transformer group include three current transformer TA1,
TA2 and TA3, all uses LZZBJ12,50/5A model；Fuse group includes three fuses FU1, FU2 and FU3, all uses
GF1-16/4A model；Miniature circuit breaker ZK uses CH2-2P/6A model；High-pressure vacuum contactor KM uses VCF-12D/D630A
Model；Permutator SA uses LW39-16B-6KC-202/2Ak model；Motor temperature detect switch (TDS) WK is that motor is supporting normally opened
Point, is installed on motor body；Auxiliary reclay KA uses GMR-8/6A model；Switch knob SF uses LA39-B2-/2g
Model；Opening button SS uses LA39-B2-/2r model；Combined floodgate display lamp HR uses AD16-16B/r31 model；Separating brake indicates
Lamp HG uses AD-16B/g31 model；Primary cut-out normally opened contact QF is the high pressure in distribution system mesohigh breaker cabinet
The normally opened contact that chopper attracts.
Use 2.5mm2Electric wire by three current transformer TA1, TA2 and TA3 secondary side the first ends respectively with motor protect
Three current samples input Pc01, Pc03 and Pc05 protecting device MK connect, three current transformers TA1, TA2 and TA3 bis-times
Side the second end all inputs common port Pc06 with the current sample of motor protector MK and is connected and ground connection.Use 1.5mm2Electric wire will
First end of three fuses FU1, FU2 and FU3 is connected with the triple line drawing outward 380V power supply respectively, three fuse FU1,
Second one end of FU2 and FU3 is connected with motor protector three voltage samples input Pc09, Pc10 and Pc12 respectively, draws outward
The power supply of 380V is the sampled voltage of motor protector, is the analog voltage of a 380V.The working power of motor protector MK
Input X1-1, X1-2 and X1-3 use 1.5mm2Electric wire be connected with the triple line drawing outward 220V alternating current power supply, for guarantee peace
Entirely, at the working power input X1-2 of motor protector MK and draw outward one fuse FU4 of access between 220V alternating current power supply.
Use 1.5mm2Electric wire by the first end of miniature circuit breaker ZK the first pole with exchange little bus phase line L be connected, micro-
First end of type chopper ZK the second pole is connected with exchanging little bus zero line N；Second end of miniature circuit breaker ZK the first pole and conjunction
Lock display lamp HR the first end, separating brake display lamp HG the first end, the 3rd pair of node of permutator SA 5.-the first end 6. 5., conversion
Switch SA first to node 1.-the first end 2. 1., permutator SA second to node 3.-the first end 4. connects the most respectively；
First end of normally opened contact is connected by combined floodgate display lamp HR the second end with high-pressure vacuum contactor KM first, separating brake display lamp HG
First end of normally-closed contact is connected by one end with high-pressure vacuum contactor KM first, and high-pressure vacuum contactor KM first touches normally opened
Second end of point respectively with high-pressure vacuum contactor KM first to the second end of normally-closed contact, the of miniature circuit breaker ZK the second pole
Two ends connect.
The 3rd pair of node of permutator SA 5.-the second end 6. the most successively with motor temperature detect switch (TDS) WK, auxiliary reclay
The coil of KA, the second end of miniature circuit breaker ZK the second pole connect.
Permutator SA first to node 1.-the second end 2. breaks with opening button SS, switch knob SF, height the most successively
Road device normally opened contact QF, the coil of high-pressure vacuum contactor KM, the second end of miniature circuit breaker ZK the second pole connect；Described combined floodgate
Second pair of normally opened contact of button SF two ends parallel high voltage vacuum contactor KM；It is normal that described switch knob SF connects primary cut-out
The one end opening contact QF is connected with described motor protector MK normally opened output contact MQD the first end, and described motor protector MK is normal
Open output contact MQD the second end and permutator SA second to node 3.-4. the second end 4. be connected.
The 4th pair of node of permutator SA 7.-the first end 8. 7., the 3rd pair of normally opened contact of high-pressure vacuum contactor KM
One end, auxiliary reclay KA normally opened contact the first end, standby normally opened contact S the first end respectively with the first of motor protector MK the letter
Number input X2-1, secondary signal input X2-2, the 3rd signal input part X2-3, the 4th signal input part X2-4 connect；Turn
Change switch the 4th pair of node of SA 7.-the second end 8. 8., high-pressure vacuum contactor KM the 3rd pair of normally opened contact the second end, centre continue
Electrical equipment KA normally opened contact the second end, standby normally opened contact S the second end respectively with the input signal common port X2-of motor protector MK
5 connect.
The gear of permutator SA includes shelves, middle 0 grade and DCS shelves on the spot, gear forward on the spot shelves time, first pair of node
1.-the 2. with three pair node 5.-6. close, when forwarding middle 0 grade to, all nodes do not close, and when forwarding DCS shelves to, second is right
Node 3.-4., the 3rd pair of node 5.-the 6. and four pair node 7.-8. close, its node Guan Bi is opened action such as following table institute
Show:
| Node | On the spot | 0 | DCS |
| ①-② | Guan Bi | - | - |
| ③-④ | - | - | Guan Bi |
| ⑤-⑥ | Guan Bi | - | Guan Bi |
| ⑦-⑧ | - | - | Guan Bi |
Use connection DJVVP-2 × 1.5 by 10kV motor on the spot/concentrate select input signal, run input letter
Number, temperature alarming input signal, spare input signal, motor start-stop output signal, motor current signal pass through motor protector
The DP communication port of MK causes DCS room, uses communication modes that 10kV motor is carried out start-stop control.Use KVVP-0.45/
0.75, on-off model is caused the other case of machine by high voltage connector cabinet by the control cable of 12 × 1.5, the button on the other case of machine enter
The start-stop on the spot of row motor controls.
In the present embodiment, the structure of high voltage connector cabinet is as it is shown on figure 3, use KYN28A-12 type switch cubicle, and changes
Make process, including busbar compartment A, circuit breaker cart room B, cable vault C and relay control room D.By the mother in busbar compartment A
Line, bus casing are cancelled, and inlet wire cable 4 is directed directly in busbar compartment A, and with the end of incoming cables 1 of high-pressure vacuum contactor KM even
Connect；High-pressure vacuum contactor KM is installed in the B of circuit breaker cart room；Current transformer group, earthed switch are installed in cable vault C
2, lower outlet, i.e. inlet wire cable 4 and outlet cable 5 are entered under overvoltage protection device 3 and cable；Install in relay control room D
Motor protector MK, auxiliary reclay KA, miniature circuit breaker ZK and fuse group.Permutator SA, switch knob SF, separating brake are pressed
Button SS, combined floodgate display lamp HR and separating brake display lamp HG are arranged in the other case of machine.
In the present embodiment, by increasing the motor protector being applied to low-tension motor in high voltage connector cabinet, utilize
The communication function of motor protector realizes using communication modes to control 10kV motor in DCS room, and unified full factory high-low pressure is electronic
The control mode of machine, it is to avoid motor control method inconsistent, the most standardized implementation, can effectively reduce control electricity
Cable and the consumption of cable testing bridge, also can arbitrarily increase the input/output signal of 10kV motor in the later stage is run, decrease inspection
Repair, maintenance workload, reduce cost of investment and running cost.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in previous embodiment is modified, or the most some or all of technical characteristic is equal to
Replace；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the model that the claims in the present invention are limited
Enclose.
Claims (5)
1. the control device of a DCS room 10kV motor, it is characterised in that include motor protector MK, current transformer group,
Fuse group, miniature circuit breaker ZK, high-pressure vacuum contactor KM, permutator SA, motor temperature detect switch (TDS) WK, auxiliary reclay
KA, switch knob SF, opening button SS and primary cut-out normally opened contact QF；
Described current transformer group includes three current transformers TA1, TA2 and TA3, the secondary side of described three current transformers
The first end be connected with three current samples input Pc01, Pc03 and Pc05 of described motor protector MK respectively, described three
Second end of the secondary side of individual current transformer inputs common port Pc06 even with the current sample of described motor protector MK respectively
Connect and ground connection；
Described fuse group includes three fuses FU1, FU2 and FU3, first end of described three fuses FU1, FU2 and FU3
Be connected with the triple line drawing outward 380V alternating current power supply respectively, second end of described three fuses FU1, FU2 and FU3 respectively with institute
Three voltage samples input Pc09, Pc10 and Pc12 stating motor protector MK connect；
Working power input X1-1, X1-2 and X1-3 of described motor protector MK respectively with draw outward the three of 220V alternating current power supply
Phase line connects；
First end of described miniature circuit breaker ZK the first pole is connected with exchanging little bus phase line L, described miniature circuit breaker ZK second
First end of pole is connected with exchanging little bus zero line N；Second end of described miniature circuit breaker ZK the first pole contacts with high pressure vacuum
Device KM first to the first end of normally opened contact, high-pressure vacuum contactor KM first to the first end of normally-closed contact, permutator SA
First end of the 3rd pair of node, permutator SA first are to the first end of node, the permutator SA second first end to node
Connect respectively；Described high-pressure vacuum contactor KM first to the second end of normally opened contact with high-pressure vacuum contactor KM first to often
Second end of closed contact, the second end of miniature circuit breaker ZK the second pole connect respectively；
Second end of described the 3rd pair of node of permutator SA successively with described motor temperature detect switch (TDS) WK, auxiliary reclay KA
Coil, the second end of miniature circuit breaker ZK the second pole connect；
Described permutator SA first is normal with opening button SS, switch knob SF, primary cut-out successively to the second end of node
Open the second end connection of contact QF, the coil of high-pressure vacuum contactor KM, miniature circuit breaker ZK the second pole；Described switch knob SF
Second pair of normally opened contact of two ends parallel high voltage vacuum contactor KM；Described switch knob SF connects primary cut-out normally opened contact
One end of QF is connected with described motor protector MK normally opened output contact MQD the first end, the described normally opened output of motor protector MK
Node the second end is connected by MQD the second end in contact with permutator SA second；
The 4th pair of node the first end of described permutator SA, high-pressure vacuum contactor KM the 3rd pair of normally opened contact the first end, centre
Relay K A normally opened contact the first end, standby normally opened contact S the first end are defeated with first signal of described motor protector MK respectively
Enter to hold X2-1, secondary signal input X2-2, the 3rd signal input part X2-3, the 4th signal input part X2-4 to connect；Described turn
Change switch the 4th pair of node the second end of SA, the 3rd pair of normally opened contact the second end of high-pressure vacuum contactor KM, auxiliary reclay KA normal
Open contact the second end, standby normally opened contact S the second end is all connected with the input signal common port X2-5 of described motor protector MK；
The input/output signal of described 10kV motor and current signal are used by the DP communication port of described motor protector MK
Connection causes DCS room.
The control device of a kind of DCS room the most according to claim 1 10kV motor, it is characterised in that also include closing a floodgate
Display lamp HR and separating brake display lamp HG；Described combined floodgate display lamp HR be connected to the second end of described miniature circuit breaker ZK the first pole with
Between high-pressure vacuum contactor KM first is to the first end of normally opened contact；Described separating brake display lamp HG is connected to described miniature open circuit
Between second end of device ZK the first pole and high-pressure vacuum contactor KM first are to the first end of normally-closed contact.
The control device of a kind of DCS room the most according to claim 1 10kV motor, it is characterised in that described motor is protected
The working power input X1-2 protecting device MK is connected by a fuse FU4 between 220V alternating current power supply with drawing outward.
The control device of a kind of DCS room the most according to claim 2 10kV motor, it is characterised in that described motor is protected
Protect device MK, current transformer group, fuse group, miniature circuit breaker ZK, high-pressure vacuum contactor KM and auxiliary reclay KA to install
In high voltage connector cabinet；Described primary cut-out normally opened contact QF is arranged in high-voltage circuit breaker cabinet；Described permutator SA,
Switch knob SF, opening button SS, combined floodgate display lamp HR and separating brake display lamp HG are arranged in the other case of machine；Described motor temperature control
Switch WK is installed on described 10kV motor body.
The control device of a kind of DCS room the most according to claim 1 10kV motor, it is characterised in that described conversion is opened
The gear closing SA includes shelves, middle 0 grade and DCS shelves on the spot；Gear forward on the spot shelves time, first pair of node of permutator SA and
3rd pair of node Guan Bi, when gear forwards middle 0 grade to, all nodes of permutator SA do not close, and gear forwards DCS shelves to
Time, second pair of node of permutator SA, the 3rd pair of node and the 4th pair of node Guan Bi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542844.8A CN106100511B (en) | 2016-07-12 | 2016-07-12 | A kind of control device of DCS rooms 10kV motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542844.8A CN106100511B (en) | 2016-07-12 | 2016-07-12 | A kind of control device of DCS rooms 10kV motor |
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| Publication Number | Publication Date |
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| CN106100511A true CN106100511A (en) | 2016-11-09 |
| CN106100511B CN106100511B (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542844.8A Active CN106100511B (en) | 2016-07-12 | 2016-07-12 | A kind of control device of DCS rooms 10kV motor |
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|---|---|---|---|---|
| GB406277A (en) * | 1932-08-11 | 1934-02-12 | James Andrew Dorrat | Improvements in welding machines |
| CN201955673U (en) * | 2010-12-29 | 2011-08-31 | 中国瑞林工程技术有限公司 | Intelligent motor control center |
| CN103501000A (en) * | 2013-09-28 | 2014-01-08 | 河北工业大学 | Comprehensive experiment platform device of low-voltage power distribution control system |
| CN103746632A (en) * | 2014-01-24 | 2014-04-23 | 中山市明阳电器有限公司 | Low-voltage motor control system |
| CN204597236U (en) * | 2015-05-11 | 2015-08-26 | 南京自强铁路车辆配件有限公司 | A kind of low-tension switch cabinet |
-
2016
- 2016-07-12 CN CN201610542844.8A patent/CN106100511B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB406277A (en) * | 1932-08-11 | 1934-02-12 | James Andrew Dorrat | Improvements in welding machines |
| CN201955673U (en) * | 2010-12-29 | 2011-08-31 | 中国瑞林工程技术有限公司 | Intelligent motor control center |
| CN103501000A (en) * | 2013-09-28 | 2014-01-08 | 河北工业大学 | Comprehensive experiment platform device of low-voltage power distribution control system |
| CN103746632A (en) * | 2014-01-24 | 2014-04-23 | 中山市明阳电器有限公司 | Low-voltage motor control system |
| CN204597236U (en) * | 2015-05-11 | 2015-08-26 | 南京自强铁路车辆配件有限公司 | A kind of low-tension switch cabinet |
Non-Patent Citations (2)
| Title |
|---|
| 孙长民: "《高压电动机DCS控制回路的缺陷及改进》", 《中氮肥》 * |
| 段永强等: "《分布式智能电动机控制系统研制总体设计》", 《工业控制计算机》 * |
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| Publication number | Publication date |
|---|---|
| CN106100511B (en) | 2018-04-03 |
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