CN107204658A - Band direct-current micro-grid and the recoverable brill of gesture/workover rig energy storage electric-control system - Google Patents
Band direct-current micro-grid and the recoverable brill of gesture/workover rig energy storage electric-control system Download PDFInfo
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- CN107204658A CN107204658A CN201610151396.9A CN201610151396A CN107204658A CN 107204658 A CN107204658 A CN 107204658A CN 201610151396 A CN201610151396 A CN 201610151396A CN 107204658 A CN107204658 A CN 107204658A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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Abstract
The present invention is on a kind of band direct-current micro-grid and the recoverable brill of gesture/workover rig energy storage electric-control system, and it is applied to petroleum drilling/workover rig, including：Multiple SCR rectifiers, the alternating current inlet wire power supply of multiple SCR rectifiers is different types of power supply, and those different types of power supplys are grid-connected in DC side, and preferentially export utility grid；Two-way DC/DC modules, two-way DC/DC modules are to the quick high-power discharge and recharge of storage capacitor；Storage capacitor；VFD inversion units；Energy feedback unit；Network communication apparatus, network communication apparatus automatic identification and distribution are currently needed for the power and energy size of charge or discharge.The present invention realizes that different types of AC power is grid-connected in DC side；Realize cleaner power sources in direct-current micro-grid (such as utility grid) preferentially output；Realize that potential energy is reclaimed and energy distribution；Realize the high-power fast charging and discharging of storage capacitor；Ensure brill/workover treatment efficiency, improve response speed, it is to avoid the impact to power network.
Description
Technical field
The invention relates to a kind of brill/workover rig energy storage electric-control system, especially with respect to a kind of band direct-current micro-grid and gesture
Recoverable brill/workover rig energy storage electric-control system.
Background technology
Oil, natural gas are the important energy sources of the national economic development, to ensure national production and living energy supply, it is necessary to enter
Row oil, natural gas drilling rig operation, for having developed oil well, gas well, because exploitation is used throughout the year, in order to ensure that these wells can
Stable yields normal work to it, it is necessary to be removed contamination and maintenance processing.So brill/workover rig be ensure the exploitation of polytype well and
Run well indispensable equipment.Current brill/workover rig generally utilizes diesel generating set or power network (utility grid)
Power is provided for it.
Inventor has found in process of the present invention is realized, diesel generating set inefficiency, idling or it is unloaded when the energy
Consume in vain, in the presence of serious imperfect combustion phenomenon when this impact of reply winch is loaded, cause energy serious waste, this
The operating cost of brill/workover rig, which can be made, to be increased；Gas engine generating set Property comparison is soft, when this impact of reply winch is loaded
Gas engine generating set can be caused flame-out or driving；In the case of providing power using utility grid for it, due to brill/workover rig
Work places it is generally more remote (as close to rural area), and its electrical energy demands amount is larger, and brill/workover rig electric-control system can not
Oepration at full load；It is residential block mostly near older well head, diesel engine noise and pollution are big during workover treatment, trigger civil entangle
Confusingly, schedule delays.
The problem of existing in view of the existing mode for providing power for electric drill/workover rig, the present inventor is based on being engaged in
Such product design manufacture abundant for many years practical experience and professional knowledge, and coordinate rational utilization, actively studied
Innovation, can to found a kind of a kind of band direct-current micro-grid and the recoverable brill of gesture/workover rig energy storage electric-control system of new structure
The problem of existing mode for providing power for electric drill/workover rig is present is avoided, it is had more practicality.By continuous
Research and design, and by studying sample and improvement repeatedly, the present invention having practical value is created finally.
The content of the invention
The technical problem to be solved in the present invention is to realize that different types of AC power is grid-connected in DC side；Reduction generates electricity
The installed capacity of unit；Potential energy is carried out to reclaim and energy distribution；Realize that cleaner power sources in direct-current micro-grid (such as utility grid) are preferential
Output；Realize the high-power fast charging and discharging of storage capacitor；Real-time judge current working load and power supply power supply capacity, it is ensured that bore/
The efficiency of workover treatment, improves response speed, it is to avoid the impact to power network.
The purpose of the present invention is realized using following technical scheme.The present invention proposes a kind of band direct-current micro-grid and potential energy
The brill of recovery/workover rig energy storage electric-control system, it is applied to petroleum drilling/workover rig, and it includes：Multiple SCR rectifiers, it is each
SCR rectifiers include：Alternating current inlet wire power supply, the first master controller, triggering amplifying circuit, the first sample circuit, the first monitoring are single
Member and power unit assembly, the first sample circuit are connected to the DC output end and the first master controller of power unit assembly
Between, and give the first master controller, the first monitoring through A/D conversion feedbacks by the voltage and current signal gathered from DC output end
Unit connects alternating current inlet wire power supply and DP buses respectively, and alternating current inlet wire power information is transferred in DP buses, the first main control
Device is sequentially connected triggering amplifying circuit, power unit assembly, and the input of power unit assembly is connected with alternating current inlet wire power supply, it
Output end is connected with common DC bus, wherein, the alternating current inlet wire power supply of multiple SCR rectifiers is different types of power supply, should
A little different types of power supplys are grid-connected in DC side, and preferentially export utility grid；Two-way DC/DC modules, it includes：Second master
Controller, host computer, the second sample circuit and the 2nd IGBT power unit assemblies, the second sample circuit and the 2nd IGBT work(
Rate unit block connect, the second master controller respectively with the second sample circuit, the 2nd IGBT power unit assemblies, host computer, DP
Bus is connected, and the high-pressure side of the 2nd IBGT power unit assemblies is connected with common DC bus, and two-way DC/DC modules are to energy storage electricity
Hold quick high-power discharge and recharge；Storage capacitor, it includes：Super capacitor module, CMS modules, super capacitor module and two-way DC/
The low-pressure side connection of 2nd IGBT power unit assemblies of DC modules, the sampling circuit of CMS modules is connected with super capacitor module,
CMS modules are also connected with DP buses；VFD inversion units, it includes the 3rd master controller, the 3rd sample circuit, the 3rd IGBT work(
Rate unit block, brake unit, speed encoder and winch motor, the 3rd master controller respectively with the 3rd sample circuit,
Three IGBT power unit assemblies, the connection of DP buses, the 3rd sample circuit are connected with the 3rd IGBT power unit assemblies, brake unit
Be connected respectively with the 3rd IGBT power unit assemblies, common DC bus, speed encoder respectively with the 3rd sample circuit, winch
Motor connection, the output end of the 3rd IGBT power unit assemblies is connected with winch motor；Energy feedback unit, it includes：4th
Master controller, IGBT inversion modules component, phase-sequence detector, the 4th sample circuit, with electric loading, isolating transformer, the 4th master
Controller is connected with IGBT inversion modules component, phase-sequence detector, the 4th sample circuit, DP buses respectively, phase-sequence detector with
Power supply connection with electric loading, the 4th sample circuit is connected with electric loading, the input of IGBT inversion module components and
Common DC bus is connected, and the output end of IGBT inversion module components is sequentially connected isolating transformer, with electric loading, the multiple
It is connected after the alternating current inlet wire power sourced electric interlocking of SCR rectifiers with electric loading；And network communication apparatus, it includes：PLC moulds
Block, industrial computer, secondary control module, PLC module are connected with industrial computer, secondary control module, DP buses respectively, auxiliary control mould
Block is connected with drawworks sensor, and network communication apparatus automatic identification and power and energy that distribution is currently needed for charge or discharge are big
It is small.
The purpose of the present invention can be also applied to the following technical measures to achieve further.
Preferably, foregoing electric-control system, wherein described SCR rectifiers also include：Input filter reactor, output filter
Wave reactor, the input filter reactor is connected between the alternating current inlet wire power supply and power unit assembly, output filtering
Reactor is connected between the power unit assembly output end and common DC bus.
Preferably, foregoing electric-control system, wherein described energy feedback unit also includes：Direct current electromagnetic interface filter, LCL
Wave filter, exchange electromagnetic interface filter, the direct current electromagnetic interface filter be connected to the input of the IGBT inversion modules component with it is public
Between dc bus, the LCL filter is connected between the output end of the IGBT inversion modules component and isolating transformer, should
Exchange electromagnetic interface filter is connected to the isolating transformer and between electric loading.
Preferably, foregoing electric-control system, wherein the 2nd IGBT power unit assembly bags of described two-way DC/DC modules
Two IGBT power unit assemblies of parallel connection are included, it is female with public direct-current after the high-pressure side of two IBGT power unit assemblies is in parallel
It is connected after line connection, low-pressure side are in parallel with the super capacitor module of storage capacitor, the IGBT power unit assemblies include driving electricity
Road, hardware protection circuit.
Preferably, foregoing electric-control system, wherein, when winch is above carried, the energy in storage capacitor is passed through into two-way DC/
DC modules are quickly high-power to be added on common DC bus；When winch is transferred, identification gravity is calculated automatically by sample circuit
Potential energy, by load potential energy into electric energy feedback to common DC bus, is stored into by the way that two-way DC/DC modules are quickly high-power
Storage capacitor or by energy feedback unit by electric energy Real-time Feedback to 400V match somebody with somebody electric loading.
Preferably, foregoing electric-control system, wherein described two-way DC/DC modules are facies-controlled using synchronous triggering and mistake
Mode.
By above-mentioned technical proposal, present invention band direct-current micro-grid and the recoverable brill of gesture/workover rig energy storage electric-control system are extremely
There is following advantages and beneficial effect less：
1st, the present invention makes full use of the power network and other cleaner power sources in well site, and makes cleaner power sources (utility grid) preferential
Power supply is used, and reaches the effect of emission reduction.
2nd, the present invention makes the AC power of all kinds control storage capacitor by SCR rectifiers and two-way DC/DC modules
It is grid-connected in common DC bus, direct current micro-grid system is constituted, the problem of variety classes capable AC side is difficult to grid-connected is effectively solved.
3rd, the generating set installed capacity of present invention reduction whole system.
4th, the present invention takes full advantage of the potential energy in electric drill/workover rig operation process, when motor is in generating state, is
Potential energy is effectively converted into electric energy and is stored and distributed by system, and part deposit storage capacitor a, part passes through energy feedback
Unit local use, has reached energy-saving purpose.
5th, the present invention is when winch is above carried, storage capacitor supplement energy, is storage capacitor charging when winch is transferred, solves
The problem of power supply capacity is not enough, reduces the impact to power supply, serves the effect that paddy is mended in peak clipping.
6th, the features such as storage capacitor of the invention has small volume, installs simple, efficiency high and fast charge/discharge rates, be
The energy storage of Large Copacity provides reliable condition.
7th, present invention employs intelligence control system, network communication apparatus, variation sampling can enter to corresponding signal
Row processing, computing and continuous automatic output, with self-diagnostic function, facilitate human users so that equipment have reliability,
The features such as stability and security.
8th, the present invention reduces the power output of generator and power network, reduces system by potential energy recycle and reuse
Installed power, realize energy-conservation.
9th, direct-current micro-grid technology of the invention, potential energy reclaim organic with energy distribution technique, fast energy storage charge and discharge power technology
With reference to and used first on petroleum drilling/workover rig.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention.
【Main element symbol description】
1、2、3：SCR rectifiers 11,21,31：First master controller
12、22、32：First monitoring unit 13,23,33：Trigger amplifying circuit
14、24、31：First sample circuit 15,25,35：Power unit assembly
16、26、36：Alternating current inlet wire power supply 17,27,37：Input filter reactor
18、28、38：Export filter reactor 4：Two-way DC/DC modules
41：Second master controller 42：Host computer
43：Second sample circuit 44,45：2nd IGBT power unit assemblies
5：Storage capacitor 51：Super capacitor module
52：CMS management systems 6：VFD inversion units
61：3rd master controller 62：3rd IGBT power unit assemblies
63：3rd sample circuit 64：Brake unit
65：Speed encoder 66：Winch motor
7：Energy feedback unit 71：4th master controller
72：IGBT inversion modules component 73：Phase-sequence detector
74：4th sample circuit 75：With electric loading
76：Direct current electromagnetic interface filter 77：LCL filter
78：Isolating transformer 79：Exchange electromagnetic interface filter
8：Network communication apparatus 81：PLC module
82：Industrial computer 83：Secondary control module
9：DP buses 10：Common DC bus
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to a kind of band direct-current micro-grid proposed by the present invention and the recoverable brill of gesture/workover rig energy storage electricity
Embodiment, structure, feature and its effect of control system, are described in detail as after.
Referring to Fig. 1, being the structured flowchart of one embodiment of the invention.The band direct-current micro-grid and gesture of the present invention is recoverable
Brill/workover rig energy storage electric-control system mainly includes：SCR rectifiers 1,2,3, two-way DC/DC modules 4, storage capacitor 5, VFD inversions
Unit 6, energy feedback unit 7, and network communication apparatus 8.It should be noted that the SCR rectifiers of the present invention can be many
It is individual, and it is not limited to the situation of three in Fig. 1.
SCR rectifiers 1,2,3, it mainly includes：First master controller 11,21,31, the first monitoring unit 12,22,32
(the alternating current inlet wire power supply for mainly monitoring three SCR rectifiers respectively), triggers amplifying circuit 13,23,33, the first sample circuit
14th, 24,34, power unit assembly 15,25,35, alternating current inlet wire power supply 16,26,36, input filter reactor 17,27,37 is defeated
Go out filter reactor 18,28,38 etc..First sample circuit 14,24,34 connects the direct current of power unit assembly 15,25,35 respectively
Collection voltages and current signal between output end and the first master controller 11,21,31, sampled result is anti-respectively through A/D conversions
Feed the first master controller 11,21,31；First monitoring unit 12,22,32 connect respectively respective alternating current inlet wire power supply 16,26,
36 and DP buses 9, by incoming power information transfer to DP buses 9；First master controller 11,21,31 connects triggering and put respectively
Big circuit 13,23,33, then power unit assembly 15,25,35 is connected respectively；Alternating current inlet wire power supply 16,26,36 connects defeated respectively
Enter filter reactor 17,27,38, then be connected respectively with the input of power unit assembly 15,25,35；Power unit assembly 15,
25th, 35 output ends are connected with output filter reactor 18,28,38 respectively, then are connected with common DC bus 10.
SCR rectifiers 1,2,3 are mainly used in controlling the alternating current inlet wire power supply 16,26,36 of several different or identical types
It is grid-connected in DC side, power distribution is carried out according to load.First master controller 11,21,31 uses the closed-loop control of feedback+feedforward
Scheme, is sent to triggering amplifying circuit 12,22,32 by trigger signal, so as to drive thyristor rectifier, alternating current is become into direct current
Electricity.The control method improves the response speed of thyristor rectifier to entering Mobile state compensation during system fading margin.In multistage simultaneously
Join in the control of SCR rectifiers, every SCR rectifier allows the power supply of access identical type (such as：The generating set of same model, electricity
Source characteristic is identical)；Different types of power supply can also be accessed (such as：Power network and generating set, power supply characteristic are different), by each other
Communication, every SCR rectifier of control is exported in proportion according to preset value, is realized grid-connected on common DC bus；It can also make
A certain or several power supplys are preferentially exported (such as：The power supply of cheap environmental protection is set to power in advance), other power supplys when reaching preset value
Automatic output is supplemented again, for example：Solar energy (wind-force) generated output 50KW, grid power 100KW, natural gas power power
200KW, it is possible to grid-connected in DC side by plural parallel stage SCR rectifiers, with storage capacitor cooperating one direct current of formation
Solar energy (wind-force) electrical generation priority can be made to export or export by a certain percentage in micro-grid system, the system, when off-capacity
Again by net electricity supplement, finally supplemented again by Gas Generator Set；Can also in proportion it be exported (such as by preset value：Default 80%, then it is every kind of
Power supply is exported in proportion simultaneously) while reaching maximum.The real-time collection alternating current inlet wire power supply 16 of first monitoring unit 12,22,32,
26th, 36 information, will send information in DP buses 9, and the first master controller 11,21,31 passes through respective first sample circuit
14th, 24,34 and from DP buses 9 receive and dispatch information control triggering amplifying circuit 13,23,33 so that driving power unit block 15,
25th, 35 that alternating current inlet wire power supply 16,26,36 is rectified into direct current is grid-connected in common DC bus 10.
Two-way DC/DC modules 4, it mainly includes:Second master controller 41, host computer 42, the second sample circuit 43, second
(IGBT power unit assemblies part includes not showing in drive circuit, hardware protection circuit, Fig. 1 IGBT power unit assemblies 44,45
Go out).Second sample circuit 43 is connected with the 2nd IGBT power unit assemblies 44,45, and the second master controller 41 is adopted with second respectively
Sample circuit 43, the 2nd IGBT power unit assemblies 44,45, host computer, DP buses 9 are connected；2nd IBGT power unit assemblies 44,
45 high-pressure side parallel connection is connected with common DC bus 10；The low-pressure side of 2nd IGBT power unit assemblies 44,45 is in parallel with storing up
The super capacitor module 51 of energy electric capacity 5 is connected.Second master controller 41 is the core parts in two-way DC/DC modules 4, and second adopts
The signals such as the 2nd IGBT power unit assemblies 44, the voltage x current of 45 input and output are fed back to the second master controller by sample circuit 43
41, the second master controller 41 receives the information of DP buses 9, and sends control command to the 2nd IGBT power unit assemblies 44,45,
Realize and the charge and discharge control of super capacitor module 51 is controlled.2nd IGBT power unit assemblies 44,45 use half bridge circuit,
And at each moment, the 2nd IGBT power unit assemblies 44,45 be operating only at a kind of mode of operation, i.e. Buck circuit-modes or
Boost circuit pattern.Buck circuit-modes are worked in during charging, Boost circuit pattern is worked in during electric discharge.Charge and discharge control mistake
Cheng Caiyong " soft start " mode, reduces the impact to incoming power.Charge and discharge control process has " soft to exit " function.It is two-way
DC/DC modules 4 are mainly used in controlling the discharge and recharge of storage capacitor 5, when winch above proposes the high-power output of needs, control energy storage electricity
Hold 5 and supplement energy to dc bus side, control storage capacitor 5 charges when winch is transferred or be static.To ensure two-way DC/DC moulds
Block 4 can provide sufficiently large power, independently winch can be supported above to propose work, using the 2nd IGBT power unit assemblies 44,
The mode of 45 multi-cascades, can be quickly fully charged by super capacitor module 51 when winch is transferred or be static, improves operating efficiency.
Storage capacitor 5, mainly includes：Super capacitor module 51, CMS modules 52.Super capacitor module 51 and two-way DC/DC
The low-pressure side connection of 2nd IGBT power unit assemblies 44,45 of module 4；The sampling circuit of CMS modules 52 and super capacitor mould
Group 51 is connected；CMS modules 52 and DP buses 9 are connected.Storage capacitor 5 is mainly used in storing electric energy.CMS modules 52 gather each super
Communicated with one another between the voltage and temperature of level electric capacity module 51, module, electric capacity monomer active equalization in control super capacitor module 51
Voltage, improves the service life of super capacitor module.Sample information is transferred to two-way DC/ by CMS modules 52 through DP buses 9 simultaneously
Second master controller 41 of DC modules 4, collection information handles through master controller 41 and protects super capacitor module 51 to be not damaged by.
Storage capacitor 5, in the case where being put into without other power supplys, can individually support winch with maximum work by two-way DC/DC modules 4
Rate output a period of time；The continuous firing of energy feedback unit 7 can also be supported for a period of time simultaneously, the work of afterflow power supply is served
With.When storage capacitor 5 charges, automatic identification calculates the working condition of SCR rectifiers 1,2,3 and potential energy recovers energy, and controls two-way
DC/DC modules 4 are operated under Buck circuit-modes, by the dutycycle of PWM pulsewidth modulation adjusting pulsewidths, are filled to storage capacitor 5
Electricity.When storage capacitor 5 discharges, automatic identification calculates the working condition of SCR rectifiers 1,2,3, winch power output, controls two-way
DC/DC modules 4 are operated under Boost circuit pattern, by the electric energy boosting supply common DC bus 10 in storage capacitor 5.
VFD inversion units 6, mainly include：3rd master controller 61, the 3rd sample circuit 62, the 3rd IGBT power cells
Component 63, brake unit 64, speed encoder 65 and winch motor 66.3rd master controller 61 is electric with the 3rd sampling respectively
Road 62, the 3rd IGBT power unit assemblies 63, DP buses 9 are connected；The IGBT power unit assemblies 63 of brake unit 64 and the 3rd, public affairs
Common DC bus 10 is connected；Speed encoder 65 is connected with the 3rd sample circuit 63 and winch motor 66；3rd IGBT power lists
The output end of first component 63 is connected with winch motor 66.VFD inversion units 6 are mainly used in providing power and strand for winch motor 66
Gravitional force is converted into feeding back to common DC bus 10 after electric energy by car when transferring by motor.3rd master controller 61 is received
The current signal of speed encoder 65 and winch motor 66, using the vector control mode of n/f closed-loops, makes electric machine speed regulation more
Accurately.Allow motor to work in generating state when winch dragging weight decentralization, gravitional force is reclaimed and is converted into electric energy, then is passed through
VFD inversion units 6 feed back to electric energy on common DC bus 10, and these energy are largely absorbed by storage capacitor, a part
Local use, 400V distribution load supplying is given (such as by energy feedback unit 7：Illumination, air-conditioning etc.).3rd sample circuit 62 is adopted
Collect the output current signal of VFD inversion units 6 and the speed feedback signal of speed encoder 65 to the 3rd master controller 61, the 3rd
The working condition of data and the 3rd IGBT power unit assemblies 63 of control in the transmitting-receiving DP of master controller 61 buses 9, when on winch
When carrying, the output energy of VFD inversion units 6, VFD inversion units 6 feed back energy to common DC bus when winch is transferred, and braking is single
Member 64 can eliminate peak voltage during energy feedback, and protection VFD inversion units 6 and miscellaneous equipment are not damaged by.
Energy feedback unit 7, mainly includes：4th master controller 71, IGBT inversion modules component 72, phase-sequence detector
73rd, the 4th sample circuit 74,400V are with electric loading 75, direct current electromagnetic interface filter 76, LCL filter 77, isolating transformer 78, friendship
Flow electromagnetic interface filter 79.4th master controller 71 and IGBT inversion modules component 72, phase-sequence detector 73, the 4th sample circuit 74,
DP buses 9 are connected；Phase-sequence detector 73 is connected with 400V with the power supply of electric loading 75；4th sample circuit 74 and 400V distribution
Load 75 is connected；The input of IGBT inversion modules component 72 is connected with direct current electromagnetic interface filter 76, then is connected with common DC bus
Connect；The output end of IGBT inversion modules component 72 is connected with LCL filter 77, then is connected with isolating transformer 78, then with exchanging EMI
Wave filter 79 is connected；Exchange electromagnetic interface filter 79 is connected with 400V with electric loading 75；Three kinds of alternating current inlet wire power supplys 16,26,36 are electric
It is connected after interlocking with 400V with electric loading 75.Energy feedback unit 7 is mainly used in giving 400V distribution load supplyings, a consumption part
The recoverable energy local use of gesture, improves capacity usage ratio.The feedback function of different capacity, stable prime direct current can be completed
Voltage, configures the sample circuit 74 of phase-sequence detector 73 and the 4th, controls the grid-connected power of energy feedback unit 7, prevents feedback energy
Amount inversion such as overturns at the dangerous situation.The power that 400V matches somebody with somebody electric loading 75 is calculated by the 4th sample circuit 74, examined by phase sequence
The power supply phase sequence that the detection of device 73 400V matches somebody with somebody electric loading 75 is surveyed, power signal and phase sequential signal are sent to the 4th master controller
71, while the 4th master controller 71 receives the data of DP buses 9, control IGBT inversion modules component 72 is reclaimed when in potential energy
During state, preferentially powered using this portion of energy to 400V with electric loading 75, less energy conversion loss improves energy utilization
Rate.
Network communication apparatus 8, mainly includes：PLC module 81, industrial computer 82, secondary control module.PLC module 81 is distinguished
Connected with industrial computer 82, secondary control module, DP buses 9；Secondary control module 83 respectively with drawworks sensor (for example winch position
Put sensor and winch weight transduser) connection.The logical signal and analog signal of the collection whole system of PLC module 81 are by fortune
Control device starts the functions such as stopping after calculation processing, and the reception system service data of industrial computer 82 is shown and handled some settings
Parameter, the collection winch position signal of secondary control module 83 and winch suspending weight signal are sent to PLC module 81.Network communication apparatus
8 are mainly used in system status information monitoring and analyzing logic control processing, swap the data on communication bus.
It is related to the present invention below applied to the band direct-current micro-grid on electric workover rig and the recoverable energy storage electric-control system of gesture
A specific operation process：
The system alternating current inlet wire power supply is three kinds, and respectively solar energy (wind energy) generates electricity, net is electric, natural gas power unit.
Three SCR rectifiers 1,2,3 are respectively connected to solar energy (wind-force) and generate electricity, net electricity, three kinds of AC powers of natural gas power unit,
The parameters such as rated current, the dc bus voltage stabilizing value of three kinds of power supplys are set respectively on industrial computer 82, coordinate two-way DC/DC modules 4
Direct current micro-grid system is constituted with storage capacitor 5.The sun in the setting direct current micro-grid system of host computer 42 of two-way DC/DC modules 4
Energy (wind energy) generates electricity, and (50KW) is preferential to be powered, and electricity (80KW) is netted when off-capacity and automatically begins to input, maximum according to specified appearance
Amount 100% is exported, and natural gas power unit (200KW) is finally exported according to the 80% of rated power；The benefit of storage capacitor 5 is set
Repay electrical voltage point；It is the parameters such as operating voltage interval to set energy feedback unit 7.During normal work, 400V is with electric loading 75 by three
A kind of power supply in AC power is planted, and three kinds of AC powers have done electric interlock.The He of sample circuit 74 of energy feedback unit 7
Power and power supply phase sequence of the detection 400V with electric loading 75 in real time of phase-sequence detector 73, when having energy feedback to public direct-current
Bus 10, when DC bus-bar voltage is lifted to the operating voltage interval of energy feedback unit 7, energy feedback unit 7 is according to detection
Information control absorbs DC energy and is reverse into alternating current and current 400V to match somebody with somebody the power supply of electric loading 75 grid-connected, by feedback energy just
Ground is utilized.The peak power output of energy feedback unit 7 matches somebody with somebody electric loading electric power not over 400V, and maximum output energy is not
The energy proportion that system is distributed can be exceeded.The driving winch motor 66 of " above carrying signal " VFD inversion units 6 is sent when being carried on winch
(600KW) works, and as winch power output is gradually increased, solar energy (wind energy), power network have been fully loaded with output, two-way DC/DC
The control storage capacitor 5 of module 4 is quick to start electric discharge supplement energy, it is to avoid impact alternating current inlet wire power supply, winch load power signal
It is real-time transmitted to the second master controller 41 of two-way DC/DC modules 4, dynamic adjustment discharge power.When storage capacitor 5 energy not
When sufficient, the two-way control discharge power of DC/DC modules 4 " soft to exit ", by winch bearing power smooth transition to natural gas generator
In group, in order to avoid impact natural gas power unit.The less important works such as unfreezing are carried out when lifting of winch is to top, now two-way DC/DC
Module 4 controls storage capacitor to absorb energy from dc bus to ensure the normal operation of subsequent work circulation.Winch is at top, net
Secondary control module 83 in network communication apparatus 8 calculates recoverable energy, and the power of electric loading 75 is matched somebody with somebody with reference to current 400V, will
Recoverable energy is proportionately distributed to 400V with electric loading 75 and storage capacitor 5, and energy distribution information is issued to by communication system
The second master controller 41 and the 4th master controller 71 of energy feedback unit 7 of two-way DC/DC modules 4.Two-way DC/DC modules 4
Control storage capacitor 5 is not completely filled with electricity, reserved capacity absorption and regeneration energy during less important work.Less important work is completed
Afterwards, winch starts decentralization, sends " lower discharge signal ", and the control winch motor 66 of VFD inversion units 6 is inverted, and motor is operated in hair
Electricity condition, is converted into electric energy feedback to common DC bus 10, DC bus-bar voltage is lifted, public direct-current by gravitional force
The SCR rectifiers connected on bus 10 are supplied because " direct current top effect " (characteristic of direct current is the high first output of voltage) stops
Electricity, two-way DC/DC modules 4 control storage capacitor 5 and energy feedback unit 7 are absorbed and just according to the percent information that recovers energy
Ground is utilized.Brake unit 64 is used to consume peak voltage protection equipment.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent variations and the modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (6)
1. a kind of band direct-current micro-grid and the recoverable brill of gesture/workover rig energy storage electric-control system, it is characterised in that it is applied to oil
Brill/workover rig, including：
Multiple SCR rectifiers, every SCR rectifiers include：Alternating current inlet wire power supply, the first master controller, triggering amplifying circuit, the
One sample circuit, the first monitoring unit and power unit assembly, the first sample circuit are connected to the direct current of power unit assembly
Between output end and the first master controller, and by the voltage and current signal gathered from DC output end through A/D conversion feedbacks to
First master controller, the first monitoring unit connects alternating current inlet wire power supply and DP buses respectively, and alternating current inlet wire power information is transmitted
Onto DP buses, the first master controller is sequentially connected triggering amplifying circuit, power unit assembly, the input of power unit assembly
It is connected with alternating current inlet wire power supply, its output end is connected with common DC bus, wherein, the alternating current inlet wire electricity of multiple SCR rectifiers
Source is different types of power supply, and those different types of power supplys are grid-connected in DC side, and preferentially export utility grid；
Two-way DC/DC modules, it includes：Second master controller, host computer, the second sample circuit and the 2nd IGBT power lists
First component, the second sample circuit is connected with the 2nd IGBT power unit assemblies, the second master controller respectively with the second sample circuit,
2nd IGBT power unit assemblies, host computer, the connection of DP buses, the high-pressure side of the 2nd IBGT power unit assemblies and public direct-current
Bus is connected, and two-way DC/DC modules are to the quick high-power discharge and recharge of storage capacitor；
Storage capacitor, it includes：Super capacitor module, CMS modules, super capacitor module and the second of two-way DC/DC modules
The low-pressure side connection of IGBT power unit assemblies, the sampling circuit of CMS modules is connected with super capacitor module, CMS modules also with
DP buses are connected；
VFD inversion units, it includes the 3rd master controller, the 3rd sample circuit, the 3rd IGBT power unit assemblies, braking list
Member, speed encoder and winch motor, the 3rd master controller respectively with the 3rd sample circuit, the 3rd IGBT power cell groups
Part, the connection of DP buses, the 3rd sample circuit is connected with the 3rd IGBT power unit assemblies, brake unit respectively with the 3rd IGBT work(
Rate unit block, common DC bus connection, speed encoder are connected with the 3rd sample circuit, winch motor respectively, and the 3rd
The output end of IGBT power unit assemblies is connected with winch motor；
Energy feedback unit, it includes：4th master controller, IGBT inversion modules component, phase-sequence detector, the 4th sampling electricity
Road, with electric loading, isolating transformer, the 4th master controller respectively with IGBT inversion modules component, phase-sequence detector, the 4th sampling
Circuit, the connection of DP buses, phase-sequence detector are connected with the power supply with electric loading, and the 4th sample circuit with electric loading with connecting
Connect, the input of IGBT inversion module components is connected with common DC bus, the output end of IGBT inversion module components connects successively
Connect isolating transformer, with electric loading, with connecting with electric loading after the alternating current inlet wire power sourced electric interlocking of the multiple SCR rectifiers
Connect；And
Network communication apparatus, it includes：PLC module, industrial computer, secondary control module, PLC module respectively with industrial computer, auxiliary
Control module, the connection of DP buses, secondary control module are connected with drawworks sensor, and network communication apparatus automatic identification and distribution are worked as
The preceding power for needing charge or discharge and energy size.
2. electric-control system according to claim 1, it is characterised in that described SCR rectifiers also include：Input filter electricity
Anti- device, output filter reactor, the input filter reactor are connected between the alternating current inlet wire power supply and power unit assembly,
The output filter reactor is connected between the power unit assembly output end and common DC bus.
3. electric-control system according to claim 1, it is characterised in that described energy feedback unit also includes：Direct current EMI
Wave filter, LCL filter, exchange electromagnetic interface filter, the direct current electromagnetic interface filter are connected to the defeated of the IGBT inversion modules component
Enter between end and common DC bus, the LCL filter is connected to the output end of the IGBT inversion modules component with isolating change
Between depressor, the exchange electromagnetic interface filter is connected to the isolating transformer and between electric loading.
4. electric-control system according to claim 1, it is characterised in that the 2nd IGBT work(of described two-way DC/DC modules
Rate unit block includes two IGBT power unit assemblies in parallel, after the high-pressure side of two IBGT power unit assemblies is in parallel
Be connected with common DC bus, low-pressure side it is in parallel after be connected with the super capacitor module of storage capacitor, the IGBT power cell groups
Part includes drive circuit, hardware protection circuit.
5. electric-control system according to claim 1, it is characterised in that when winch is above carried, by the energy in storage capacitor
Added to by the way that two-way DC/DC modules are quickly high-power on common DC bus；When winch is transferred, counted automatically by sample circuit
Calculate identification gravitional force, will load potential energy into electric energy feedback to common DC bus, feedback energy preferentially passes through two-way DC/
DC modules are quickly high-power to be stored into storage capacitor, after by energy feedback unit that dump energy is real-time after storage capacitor saturation
400V is fed back to electric loading.
6. electric-control system according to claim 1, it is characterised in that described two-way DC/DC modules are triggered using synchronous
With wrong facies-controlled mode.
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|---|---|---|---|
| CN201610151396.9A CN107204658A (en) | 2016-03-16 | 2016-03-16 | Band direct-current micro-grid and the recoverable brill of gesture/workover rig energy storage electric-control system |
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|---|---|---|---|
| CN201610151396.9A CN107204658A (en) | 2016-03-16 | 2016-03-16 | Band direct-current micro-grid and the recoverable brill of gesture/workover rig energy storage electric-control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441631A (en) * | 2019-07-31 | 2019-11-12 | 中车青岛四方车辆研究所有限公司 | Potential energy recycling and reusing energy storage device pilot system and method |
| CN111878225A (en) * | 2020-07-28 | 2020-11-03 | 陕西鼎晟石油电气控制技术有限公司 | Diesel generating set protection control system and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202309101U (en) * | 2011-11-08 | 2012-07-04 | 徐进 | Oil field distribution type photovoltaic power generation device |
| CN105098811A (en) * | 2015-09-06 | 2015-11-25 | 冯利 | Hybrid energy source energy buffer balanced micro-grid for drilling machine |
| CN205489747U (en) * | 2016-03-16 | 2016-08-17 | 北京中兴天传电气技术有限公司 | Take brill / workover rig energy storage electrical system of direct current microgrid and potential energy recovery |
-
2016
- 2016-03-16 CN CN201610151396.9A patent/CN107204658A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202309101U (en) * | 2011-11-08 | 2012-07-04 | 徐进 | Oil field distribution type photovoltaic power generation device |
| CN105098811A (en) * | 2015-09-06 | 2015-11-25 | 冯利 | Hybrid energy source energy buffer balanced micro-grid for drilling machine |
| CN205489747U (en) * | 2016-03-16 | 2016-08-17 | 北京中兴天传电气技术有限公司 | Take brill / workover rig energy storage electrical system of direct current microgrid and potential energy recovery |
Non-Patent Citations (1)
| Title |
|---|
| 刘祖超 等: "基于多能互补直流微电网供电的煤层气井排采群控***方案", 《煤炭技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441631A (en) * | 2019-07-31 | 2019-11-12 | 中车青岛四方车辆研究所有限公司 | Potential energy recycling and reusing energy storage device pilot system and method |
| CN111878225A (en) * | 2020-07-28 | 2020-11-03 | 陕西鼎晟石油电气控制技术有限公司 | Diesel generating set protection control system and control method |
| CN111878225B (en) * | 2020-07-28 | 2022-04-19 | 陕西鼎晟石油电气控制技术有限公司 | Diesel generating set protection control system and control method |
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Application publication date: 20170926 |