CN206585384U - High-power gto ship ac power supply apparatus gate control circuit - Google Patents

High-power gto ship ac power supply apparatus gate control circuit Download PDF

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Publication number
CN206585384U
CN206585384U CN201720130896.4U CN201720130896U CN206585384U CN 206585384 U CN206585384 U CN 206585384U CN 201720130896 U CN201720130896 U CN 201720130896U CN 206585384 U CN206585384 U CN 206585384U
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CN
China
Prior art keywords
fuse
gto
contactor
breaker
electric capacity
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Withdrawn - After Issue
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CN201720130896.4U
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Chinese (zh)
Inventor
韩杰
夏进
徐犇
刘磊
周洋
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JIANGSU ZHENJIANG SHIPYARD (GROUP) CO Ltd
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JIANGSU ZHENJIANG SHIPYARD (GROUP) CO Ltd
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Priority to CN201720130896.4U priority Critical patent/CN206585384U/en
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Abstract

The utility model discloses a kind of high-power gto ship ac power supply apparatus gate control circuit, including main distribution board, emergency switchboard, battery charging and discharging panel, turn-off thyristor GTO, inverter, first breaker 1Q, second breaker 2Q, 3rd breaker 3Q, 4th breaker 4Q, first contactor 1KM, second contactor 2KM, first fuse 1F, second fuse 2F, 3rd fuse 3F, 4th fuse 4F, first rheostat 1R, second rheostat 2R, auxiliary reclay K, high-power gto ship ac power supply apparatus gate control circuit of the present utility model, realization adds just in GTO gate poles, negative signal control GTO conductings, shut-off, it need not be filled using capacitor or inductor, electric discharge, circuit is simple and reliable, cost is low.

Description

High-power gto ship ac power supply apparatus gate control circuit
Technical field
The utility model is related to a kind of high-power gto ship ac power supply apparatus, more particularly to a kind of high-power gto ship The gate control circuit of ac power supply apparatus, belongs to ship technical field of electrical equipment.
Background technology
It is special to the ship that needs AC power continuously to power to ensure the safety and reliability service of Marine Automation System Equipment, when being powered using GTO ac power supply apparatus peculiar to vessel, the trigger current for adding positive signal to turn it in GTO gate poles is usually Milliampere level, as long as there is certain steepness in the trigger current forward position, and GTO amount of capacity relation is little.But it is added in gate pole Upper shut-off GTO negative signal electric current is related to GTO anode current sizes, by turn-off gain βoffValue determined, βoffEqual to being closed Disconnected maximum anode current IATOWith the maximum negative current-I of gate poleGMThe ratio between, i.e.,:βoff=IATO/ |-IGM︱, βoffIt is worth for several times extremely Tens times.When anode current is IAWhen, to turn off the negative current-I that GTO need to be added on gate poleGHave to comply with |-IG︱ >=IA/ βoff, and-IGAfterwards along delaying, general drive circuit need to be supplied to the negative current of gate pole be at least the 20% of GTO anode currents with On.As can be seen here, control the universal circuit of GTO on, off although more with the positive and negative signal of gate pole, such as generally using electricity Container or inductor electric discharge produce the mode that negative current turns off GTO, and shut-off small-power GTO is relatively applicable, if to turn off big Power GTO, then require that capacitor or inductor have corresponding big capacity, just can ensure that the negative current for being supplied to gate pole has enough Impulse amplitude and rear along relatively delaying, and to reach the requirement, it is necessary to using the capacitor or inductor of Large Copacity, and increase power and put The composition drive circuit such as big pipe, triode thyristor and pulse transformer is controlled so that gate circuit becomes complicated, also increases Volume, weight and cost.
Utility model content
The purpose of this utility model is to provide a kind of high-power gto ship ac power supply apparatus gate control circuit, GTO gate poles add positive and negative signal control GTO on, off, and without using capacitor or inductor charge and discharge, circuit simply may be used Lean on, cost is low.
The purpose of this utility model is achieved by the following technical programs:
A kind of high-power gto ship ac power supply apparatus gate control circuit, including main distribution board, emergency switchboard, fill Discharge electrode, turn-off thyristor GTO, inverter 1, the first breaker 1Q, the second breaker 2Q, the 3rd breaker 3Q, the 4th are broken Road device 4Q, first contactor 1KM, second contactor 2KM, first fuse 1F, second fuse 2F, the 3rd fuse 3F, Four fuse 4F, the first rheostat 1R, the second rheostat 2R, auxiliary reclay K, the main distribution board is successively through the first breaker 1Q main contacts, first contactor 1KM main contacts is connected with ac output end, and AC power, institute are provided to ac output end Main contacts, second contactor 2KM main contacts of the emergency switchboard successively through the second breaker 2Q is stated with ac output end to be connected, AC power, the first fuse 1F, second contactor 2KM normally-closed contacts, first contactor 1KM are provided to ac output end Coil be sequentially connected in series, the two ends of the series circuit are connected to the first breaker 1Q main contacts and first contactor 1KM master On wantonly two power lines between contact, the second fuse 2F, first contactor 1KM normally-closed contacts, second contactor 2KM Coil be sequentially connected in series, the two ends of the series circuit are connected to the second breaker 2Q main contacts and second contactor 2KM master On wantonly two power lines between contact, the battery charging and discharging panel through the 3rd breaker 3Q main contacts, turn-off thyristor GTO with it is inverse The DC terminal for becoming device 1 is connected, and the breaker 4Q of exchange end the 4th of the inverter 1 is connected with ac output end, and the described 3rd The fuse 3F breaker 3Q main contacts of one end the 3rd is connected with the negative pole of battery charging and discharging panel, and the first contactor 1KM's is normal The normally opened contact for opening contact and second contactor 2KM is in parallel, one end of the parallel circuit and the 3rd fuse 3F other end phase Even, the other end of parallel circuit is sequentially connected after the second rheostat 2R, auxiliary reclay K normally opened contact and turn-off thyristor GTO gate pole is connected, and the breaker 3Q main contacts of one end the 3rd of the 4th fuse 4F is connected with the positive pole of battery charging and discharging panel, The other end series connection first contactor 1KM of 4th fuse 4F normally-closed contact, second contactor 2KM normally-closed contact, It is connected after first rheostat 1R, auxiliary reclay K normally-closed contact with turn-off thyristor GTO gate pole, the middle relay Device K coil two ends are connected to the DC terminal of inverter 1.
The purpose of this utility model can also further be realized by following technical measures:
Foregoing high-power gto ship ac power supply apparatus gate control circuit, in addition to electric capacity C1, electric capacity C2, electric capacity C3, Inductance L1, inductance L2, inductance L3, the 5th fuse 5F, the 6th fuse 6F, the 7th fuse 7F, the electric capacity C1, electric capacity C2, the connection of electric capacity C3 triangles, the inductance L1, inductance L2, inductance L3 one end be connected to electric capacity C1 and electric capacity C2 it Between, between electric capacity C2 and electric capacity C3, between electric capacity C3 and electric capacity C1, the inductance L1, inductance L2, inductance L3 other end difference Connected with the 5th fuse 5F, the 6th fuse 6F, the 7th fuse 7F one end, the 5th fuse 5F, the 6th fusing Device 6F, the 7th fuse 7F other end are connected with the three of ac output end respectively.
Foregoing high-power gto ship ac power supply apparatus gate control circuit, in addition to fast diode V and resistor 3R, capacitor C4, the anode of the fast diode V are connected with turn-off thyristor GTO anode, fast diode V the moon Pole is followed by turn-off thyristor GTO negative electrode through capacitor C4, and the resistor 3R is parallel to fast diode V two ends.
Compared with prior art, the beneficial effects of the utility model are:High-power gto ship alternating current of the present utility model Source device gate control circuit, realizes and adds positive and negative signal control GTO on, off in GTO gate poles, without using capacitor or Inductor charge and discharge, circuit is simple and reliable, and cost is low.
Brief description of the drawings
Fig. 1 is high-power gto ship ac power supply apparatus gate control circuit figure of the present utility model;
Fig. 2 is the interactive high-power gto ship ac power supply apparatus circuit diagram of two-way.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, high-power gto ship ac power supply apparatus gate control circuit, including main distribution board, emergent distribution Plate, battery charging and discharging panel, turn-off thyristor GTO, inverter 1, the first breaker 1Q, the second breaker 2Q, the 3rd breaker 3Q, Four breaker 4Q, first contactor 1KM, second contactor 2KM, first fuse 1F, second fuse 2F, the 3rd fuse 3F, the 4th fuse 4F, the first rheostat 1R, the second rheostat 2R, auxiliary reclay K, the main distribution board is successively through first Breaker 1Q main contacts, first contactor 1KM main contacts is connected with ac output end, and alternating current is provided to ac output end Source, main contacts, second contactor 2KM main contacts and ac output end of the emergency switchboard successively through the second breaker 2Q It is connected, AC power, the first fuse 1F, second contactor 2KM normally-closed contacts, the first contact is provided to ac output end Device 1KM coil is sequentially connected in series, and the two ends of the series circuit are connected to the first breaker 1Q main contacts and first contactor 1KM Main contacts between wantonly two power lines on, the second fuse 2F, first contactor 1KM normally-closed contacts, second contact Device 2KM coil is sequentially connected in series, and the two ends of the series circuit are connected to the second breaker 2Q main contacts and second contactor 2KM Main contacts between wantonly two power lines on, the battery charging and discharging panel is through the 3rd breaker 3Q main contacts, turn-off thyristor GTO It is connected with the DC terminal of inverter 1, the breaker 4Q of exchange end the 4th of the inverter 1 is connected with ac output end, described The 3rd fuse 3F breaker 3Q main contacts of one end the 3rd is connected with the negative pole of battery charging and discharging panel, the first contactor 1KM Normally opened contact and second contactor 2KM normally opened contact it is in parallel, one end of the parallel circuit is another with the 3rd fuse 3F's End is connected, and the other end of parallel circuit is sequentially connected after the second rheostat 2R, auxiliary reclay K normally opened contact and can turn off crystalline substance Brake tube GTO gate pole is connected, the breaker 3Q main contacts of one end the 3rd of the 4th fuse 4F and the positive pole of battery charging and discharging panel Be connected, the other end of the 4th fuse 4F series connection first contactor 1KM normally-closed contact, second contactor 2KM it is normally closed It is connected after contact, the first rheostat 1R, auxiliary reclay K normally-closed contact with turn-off thyristor GTO gate pole, the centre Relay K coil two ends are connected to the DC terminal of inverter 1.
The utility model high-power gto ship ac power supply apparatus gate control circuit also includes electric capacity C1, electric capacity C2, electricity Appearance C3, inductance L1, inductance L2, inductance L3, the 5th fuse 5F, the 6th fuse 6F, the 7th fuse 7F, the electric capacity C1, Electric capacity C2, the connection of electric capacity C3 triangles, the inductance L1, inductance L2, inductance L3 one end are connected to electric capacity C1 and electric capacity Between C2, between electric capacity C2 and electric capacity C3, between electric capacity C3 and electric capacity C1, the inductance L1, inductance L2, the inductance L3 other end One end with the 5th fuse 5F, the 6th fuse 6F, the 7th fuse 7F is connected respectively, the 5th fuse 5F, the 6th Fuse 6F, the 7th fuse 7F other end are connected with the three of ac output end respectively.
The utility model high-power gto ship ac power supply apparatus gate control circuit also includes fast diode V and electricity Device 3R, capacitor C4 are hindered, the anode of the fast diode V is connected with turn-off thyristor GTO anode, fast diode V Negative electrode turn-off thyristor GTO negative electrode is followed by through capacitor C4, the resistor 3R is parallel to the two of fast diode V End.
First breaker 1Q, the second breaker 2Q, the 3rd breaker 3Q, the 4th breaker 4Q normalities are main in "on" position Short circuit and overload protection are act as, breaker can be matched by the relevant Rational Parameters of circuit where it.First contactor 1KM, Second contactor 2KM is mainly used in alternating current circuit control, and it is related that its rated voltage, rated frequency can refer to load to rated current Parameter is matched.Turn-off thyristor GTO is mainly used in DC circuit control, its anode can cut-off current maximum IATOShould be by Not less than 2.5 times of selections of load rating electric current, GTO anode peak voltage Vp should be by 2 times not less than circuit rated voltage Choose.The DC input voitage of inverter is identical with the voltage that battery charging and discharging panel is provided, its capacity and the number of phases, the electricity that exchange output Pressure, frequency, can be set by requirement choosing of the load to power supply.
When main distribution board and emergency switchboard have electricity, first contactor 1KM, second contactor 2KM automatic picks, first Have the first adhesive of electricity and directly powered to AC load, after there is electric A.C. contactor to be blocked, be in hot stand-by duty.In the ban Power to AC load this all the way dead electricity when, its A.C. contactor release, the A.C. contactor of another road stand-by heat is inhaled automatically Close, directly powered to AC load.
When main distribution board and emergency switchboard all dead electricity, (first contactor 1KM, second contactor 2KM automatically switch Process, can be considered the state of all of short duration dead electricity of main power source and emergency power supply), first contactor 1KM, second contactor 2KM lose Electricity release, the rheostat 1R of normally closed auxiliary contact → 1KM of the positive supply through fuse 4F → 2KM normally closed auxiliary contact → first → Auxiliary reclay K normally closed auxiliary contact makes its triggering and conducting to GTO gate poles, and auxiliary reclay K obtains electric adhesive, middle relay Device K normally closed auxiliary contact is disconnected to the positive supply of GTO gate poles, auxiliary reclay K rated voltage and battery charging and discharging panel offer DC voltage is identical, and the first rheostat 1R resistance and power are preferably greater than gate pole triggering electricity required on GTO product descriptions Stream is set.
After one of main distribution board or emergency switchboard restore electricity, first contactor 1KM, second contactor 2KM Automatic pick, its normally closed auxiliary contact is disconnected, normally opened auxiliary contact is connected, negative supply through fuse 3F → first contactor 1KM, The rheostat 2R of second contactor 2KM normally opened auxiliary contact → second → auxiliary reclay K normally opened auxiliary contact is to GTO Pole, is turned it off, and auxiliary reclay K dead electricity release, its normally opened auxiliary contact is disconnected to the negative supply of gate pole.Centre in figure after Electrical equipment K multiple normally opened auxiliary contact systems used in parallel are expansion contact current capacity, the second rheostat 2R resistance and power Should be by the I provided on the GTO descriptions of productATOAnd βoffIt is worth and is set for foundation.
The buffer circuit being made up of fast diode V and resistor 3R, tantalum electric capacity or electrolytic capacitor C4, for limiting GTO processed anode voltage V in turn off process or failureAWith electric current IAChange, limit dvA/dt、diA/ dt can be protected to GTO Shield.Fast diode V rated voltage is identical with GTO, and its rated current is about IATO20% or so, resistor 3R resistances are about For 20-50 Ω, power is about 10-50W, and capacitor C4 rated voltage is identical with GTO, and capacity is about 1-5uf, buffer circuit In each component parameters and cut-off current it is proportional.The compensating electric capacity module of inverter ac outlet side is connected in parallel on (by electric capacity C1, electric capacity C2, electric capacity C3, inductance L1, inductance L2, inductance L3, the 5th fuse 5F, the 6th fuse 6F, the 7th fuse 7F Composition), for preventing GTO load currents from automatic shutoff phenomenon occur when being less than latching current, and can be in power supply interactive process In load dead electricity is avoided when being likely to occur of short duration power-off with improving power factor.
Because the time of GTO turn-on and turn-off is Microsecond grade, first contactor 1KM, second contactor 2KM, middle relay Device K actuation time is Bo second level, so control circuit of the high-power gto in ship interaction supply unit can ensure that it The reliability of turn-on and turn-off.
The interactive high-power gto ship ac power supply apparatus circuit diagram of two-way is illustrated in figure 2, two-way interaction refers to meet an urgent need The public direct current power supply that the emergency power supply and battery charging and discharging panel that panel is powered are powered is interactive.
In addition to the implementation, the utility model can also have other embodiment, all use equivalent substitutions or equivalent change The technical scheme to be formed is changed, in the protection domain for all falling within the utility model requirement.

Claims (3)

1. a kind of high-power gto ship ac power supply apparatus gate control circuit, it is characterised in that including main distribution board, meet an urgent need Panel, battery charging and discharging panel, turn-off thyristor GTO, inverter, the first breaker 1Q, the second breaker 2Q, the 3rd breaker 3Q, the 4th breaker 4Q, first contactor 1KM, second contactor 2KM, first fuse 1F, second fuse 2F, the 3rd are melted Disconnected device 3F, the 4th fuse 4F, the first rheostat 1R, the second rheostat 2R, auxiliary reclay K, the main distribution board are passed through successively First breaker 1Q main contacts, first contactor 1KM main contacts is connected with ac output end, and friendship is provided to ac output end Power supply is flowed, main contacts, second contactor 2KM main contacts of the emergency switchboard successively through the second breaker 2Q are defeated with exchanging Go out end to be connected, AC power, the first fuse 1F, second contactor 2KM normally-closed contacts, first are provided to ac output end Contactor 1KM coil is sequentially connected in series, and the main contacts that the two ends of the series circuit are connected to the first breaker 1Q is contacted with first On wantonly two power lines between device 1KM main contacts, the second fuse 2F, first contactor 1KM normally-closed contacts, second Contactor 2KM coil is sequentially connected in series, and the main contacts that the two ends of the series circuit are connected to the second breaker 2Q is contacted with second On wantonly two power lines between device 2KM main contacts, the battery charging and discharging panel through the 3rd breaker 3Q main contacts, brilliant lock can be turned off Pipe GTO is connected with the DC terminal of inverter, and the breaker 4Q of exchange end the 4th of the inverter is connected with ac output end, institute The breaker 3Q main contacts of one end the 3rd for stating the 3rd fuse 3F is connected with the negative pole of battery charging and discharging panel, the first contactor 1KM normally opened contact and second contactor 2KM normally opened contact are in parallel, and one end of the parallel circuit is another with the 3rd fuse 3F's One end is connected, and the other end of parallel circuit is sequentially connected after the second rheostat 2R, auxiliary reclay K normally opened contact with that can turn off IGCT GTO gate pole is connected, and the breaker 3Q main contacts of one end the 3rd and battery charging and discharging panel of the 4th fuse 4F are just Extremely be connected, the other end of the 4th fuse 4F series connection first contactor 1KM normally-closed contact, second contactor 2KM it is normal Be connected after closed contact, the first rheostat 1R, auxiliary reclay K normally-closed contact with turn-off thyristor GTO gate pole, it is described in Between relay K coil two ends be connected to the DC terminal of inverter.
2. high-power gto ship ac power supply apparatus gate control circuit as claimed in claim 1, it is characterised in that also wrap Include electric capacity C1, electric capacity C2, electric capacity C3, inductance L1, inductance L2, inductance L3, the 5th fuse 5F, the 6th fuse 6F, the 7th melt Disconnected device 7F, the electric capacity C1, electric capacity C2, the connection of electric capacity C3 triangles, the inductance L1, inductance L2, inductance L3 one end difference It is connected between electric capacity C1 and electric capacity C2, between electric capacity C2 and electric capacity C3, between electric capacity C3 and electric capacity C1, the inductance L1, electricity Feel the one end of L2, inductance the L3 other end respectively with the 5th fuse 5F, the 6th fuse 6F, the 7th fuse 7F to connect, institute The 5th fuse 5F, the 6th fuse 6F, the 7th fuse 7F other end is stated respectively with the three of ac output end to be connected.
3. high-power gto ship ac power supply apparatus gate control circuit as claimed in claim 1, it is characterised in that also wrap Include fast diode V and resistor 3R, capacitor C4, the anode of the fast diode V and turn-off thyristor GTO anode It is connected, fast diode V negative electrode is followed by turn-off thyristor GTO negative electrode through capacitor C4, and the resistor 3R is parallel to Fast diode V two ends.
CN201720130896.4U 2017-02-14 2017-02-14 High-power gto ship ac power supply apparatus gate control circuit Withdrawn - After Issue CN206585384U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720130896.4U CN206585384U (en) 2017-02-14 2017-02-14 High-power gto ship ac power supply apparatus gate control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720130896.4U CN206585384U (en) 2017-02-14 2017-02-14 High-power gto ship ac power supply apparatus gate control circuit

Publications (1)

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CN201720130896.4U Withdrawn - After Issue CN206585384U (en) 2017-02-14 2017-02-14 High-power gto ship ac power supply apparatus gate control circuit

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849330A (en) * 2017-02-14 2017-06-13 江苏省镇江船厂(集团)有限公司 High-power gto ship ac power supply apparatus gate control circuit
CN112260109A (en) * 2020-10-28 2021-01-22 西安中车永电电气有限公司 High-protection double-electric shore power box

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849330A (en) * 2017-02-14 2017-06-13 江苏省镇江船厂(集团)有限公司 High-power gto ship ac power supply apparatus gate control circuit
CN106849330B (en) * 2017-02-14 2023-12-22 江苏省镇江船厂(集团)有限公司 Gate control circuit of high-power GTO ship alternating-current power supply device
CN112260109A (en) * 2020-10-28 2021-01-22 西安中车永电电气有限公司 High-protection double-electric shore power box

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