CN209170031U - A kind of workover rig variable-frequency energy storage device - Google Patents
A kind of workover rig variable-frequency energy storage device Download PDFInfo
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- CN209170031U CN209170031U CN201821820773.4U CN201821820773U CN209170031U CN 209170031 U CN209170031 U CN 209170031U CN 201821820773 U CN201821820773 U CN 201821820773U CN 209170031 U CN209170031 U CN 209170031U
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- direct current
- super capacitor
- energy
- workover rig
- energy storage
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Abstract
The utility model discloses a kind of workover rig variable-frequency energy storage devices, including Motorized drive unit, direct current component, energy-storage units, control unit and monitoring system, the Motorized drive unit includes frequency converter, power circuit breaker and discharge switch, the frequency converter and power circuit breaker and discharge switch are electrically connected, the direct current component includes DC/DC direct current transducer and display screen, the DC/DC direct current transducer and frequency converter are electrically connected, the display screen with and DC/DC direct current transducer connect, the energy-storage units include super capacitor, capacitance monitor, electric energy release, the super capacitor and DC/DC direct current transducer and electric energy release are electrically connected, the capacitance monitor is connect with super capacitor, described control unit includes operation control panel.The utility model structure is simple, and rationally, the energy is greatly saved by the charging and discharging process of super capacitor, and energy storage effect is good in design, and full-automation application is automatically performed energy storage discharge condition according to workover rig working condition.
Description
Technical field
The utility model relates to variable-frequency energy storage equipment technical field, specially a kind of workover rig variable-frequency energy storage device.
Background technique
As standard requirements of the country to energy-saving and emission-reduction improve, conventional diesel formula workover rig need to carry out the technology upgrading replacement.
But workover rig variable-frequency energy storage device used at present has the disadvantage that
1, the frequency converter of workover rig variable-frequency energy storage device used at present plays section by the voltage and frequency for changing electric current
The effect of energy, but a large amount of surplus power still is had, cause waste of energy.
2, pollution caused by workover rig variable-frequency energy storage device used at present is larger, and noise is larger at runtime, maintenance
Cost is relatively high.
Utility model content
The purpose of this utility model is to provide a kind of workover rig variable-frequency energy storage devices, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of workover rig variable-frequency energy storage device, including
Motorized drive unit, direct current component, energy-storage units, control unit and monitoring system, the Motorized drive unit include frequency converter,
Power circuit breaker and discharge switch, the frequency converter and power circuit breaker and discharge switch are electrically connected, the direct current component packet
Include DC/DC direct current transducer and display screen, the DC/DC direct current transducer and frequency converter are electrically connected, the display screen with and
The connection of DC/DC direct current transducer, the energy-storage units include super capacitor, capacitance monitor, electric energy release, the super electricity
Hold and be electrically connected with DC/DC direct current transducer and electric energy release, the capacitance monitor is connect with super capacitor, the control
Unit includes operation control panel, and the operation control panel is connect with frequency converter, super capacitor and electric energy release.
Preferably, the DC/DC direct current transducer is connected with DC/DC controller, and the super capacitor is connected with super electricity
Hold manager.
Preferably, the monitoring system includes PLC and touch screen, the PLC and touch screen, DC/DC controller and super
The connection of capacitance management device.
Preferably, the touch screen includes log-in interface window, equipment operating condition interfaces windows, and working condition is shown
Interfaces windows, parameter setting interface window, super capacitor data display interface window, real-time curve interfaces windows and alarm logging
Interfaces windows.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model makes well site power grid by the way that frequency converter is rectified, inverter to motor provides power.Due to well site
The maximum power that power grid provides is less than the rated power of motor, and super capacitor energy-storage system is released energy by DC/DC, compensates
Power needed for winch, drilling tool above proposes process each time, is energy-storage units discharge process, unloads drilling tool process each time, is storage
Energy unit charging process, charge and discharge are than being about 2:1, and and so on, energy-storage units remain enough stored energy capacitances, meet
Live well workover requirement, has saved the energy；
2, the utility model can both eliminate pollution, greatly save the energy, and can reduce noise, subtract using electric workover rig is netted
Few maintenance cost, also advantageously improves production efficiency, is a environmentally friendly electronic well repairing device of green.
Detailed description of the invention
Fig. 1 is a kind of workover rig variable-frequency energy storage device total system schematic diagram of the utility model；
Fig. 2 is a kind of workover rig variable-frequency energy storage device direct current component schematic diagram of the utility model；
Fig. 3 is a kind of workover rig variable-frequency energy storage device energy-storage units schematic diagram of the utility model；
Fig. 4 is a kind of super capacitor power compensating system structural representation of workover rig variable-frequency energy storage device of the utility model
Figure.
In figure: 1, driving unit；2, direct current component；3, energy-storage units；4, control unit；5, monitoring system；6, frequency converter；
7, power circuit breaker；8, discharge switch；9, DC/DC direct current transducer；10, display screen；11, super capacitor；12, capacitor monitors
Device；13, electric energy release；14, operation control panel；15, DC/DC controller；16, super capacitance management device；17,PLC；18, it touches
Touch screen.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of workover rig variable-frequency energy storage device, including it is dynamic
Power drive unit 1, direct current component 2, energy-storage units 3, control unit 4 and monitoring system 5, the Motorized drive unit 1 include becoming
Frequency device 6, power circuit breaker 7 and discharge switch 8, the frequency converter 6 are electrically connected with power circuit breaker 7 and discharge switch 8, institute
Stating direct current component 2 includes DC/DC direct current transducer 9 and display screen 10, and the DC/DC direct current transducer 9 electrically connects with frequency converter 6
Connect, the display screen 10 with and DC/DC direct current transducer 9 connect, the energy-storage units 3 include super capacitor 11, capacitor monitor
Device 12, electric energy release 13, the super capacitor 11 is electrically connected with DC/DC direct current transducer 9 and electric energy release 13, described
Capacitance monitor 12 is connect with super capacitor 11, and described control unit 4 includes operation control panel 14, the operation control panel 14 with
Frequency converter 6, super capacitor 11 and electric energy release 13 connect.
The DC/DC direct current transducer 9 is connected with DC/DC controller 15, for controlling DC/DC direct current transducer 9；It is described
Super capacitor 11 is connected with super capacitance management device 16, for controlling super capacitor 11；The monitoring system 5 include PLC17 and
Touch screen 18, the PLC17 are connect with touch screen 18, DC/DC controller 15 and super capacitance management device 16, make DC/DC control
By communication bus and 5 real time communication of monitoring system, monitoring system 5 monitors whole system for device 15 and super capacitance management device 16
Operating status；The touch screen 18 includes log-in interface window, equipment operating condition interfaces windows, and working condition shows boundary
Face-port mouth, parameter setting interface window, super capacitor data display interface window, real-time curve interfaces windows and alarm logging circle
Face-port mouth, for the operation of real-time display equipment and parameter detecting monitored picture.
Working principle: the utility model is attempted by the DC bus of frequency converter 6 by power compensating device, DC/DC control
Device 15 processed samples to obtain main circuit voltage and current data by PT, calculates through core control algolithm, to 11 energy storage system of super capacitor
System carries out charge and discharge and energy management, charge and discharge process are as follows: when netting electric workover rig after well site and transformer are connected with the mains, closing
Main circuit breaker in upper Motorized drive unit 1, energy-storage units 3 are charged by 6 rectification unit of frequency converter, until 11 energy storage of super capacitor
Reach rated operational voltage, well-repairing work can be started, in the case where workover rig above proposes drilling tool operating condition, winch promotes electric motor starting, well
Rectified, inverter to motor provides power by frequency converter 6 for power grid.Since the maximum power that well site power grid provides is less than electricity
The rated power of machine, 11 energy-storage system of super capacitor are released energy by DC/DC direct current transducer 9, power needed for compensating winch,
In the case where drilling tool operating condition is transferred in well workover, winch clutch is disengaged, and it is out of service to promote motor, and well site power grid or diesel-driven generator are to super
Grade capacitor 11 provides charging current, until 11 storage volume of super capacitor reaches rated condition, drilling tool above proposes process each time, i.e.,
It is 3 discharge process of energy-storage units, unloads drilling tool process each time, is 3 charging process of energy-storage units, charge and discharge are than being about 2:
1, and so on, energy-storage units 3 remain enough stored energy capacitances, meet live well workover requirement, at the same time, capacitor monitoring
Device 12 detects each mould group real-time online of super capacitor 11, after the completion of well workover task, to guarantee equipment safety in transit, leads to
The discharge switch 8 pressed on Motorized drive unit 1 is crossed, discharge resistance contactor is attracted, the charge on storage capacitor is passed through
Discharge resistance discharges.
Claims (4)
1. a kind of workover rig variable-frequency energy storage device, including Motorized drive unit (1), direct current component (2), energy-storage units (3), control
Unit (4) and monitoring system (5), it is characterised in that: the Motorized drive unit (1) includes frequency converter (6), power circuit breaker
(7) it is electrically connected with discharge switch (8), the frequency converter (6) and power circuit breaker (7) and discharge switch (8), the direct current list
First (2) include DC/DC direct current transducer (9) and display screen (10), and the DC/DC direct current transducer (9) and frequency converter (6) are electrically
Connection, the display screen (10) with and DC/DC direct current transducer (9) connect, the energy-storage units (3) include super capacitor
(11), capacitance monitor (12), electric energy release (13), the super capacitor (11) and DC/DC direct current transducer (9) and electric energy
Release (13) is electrically connected, and the capacitance monitor (12) connect with super capacitor (11), and described control unit (4) includes behaviour
Make control panel (14), the operation control panel (14) connect with frequency converter (6), super capacitor (11) and electric energy release (13).
2. a kind of workover rig variable-frequency energy storage device according to claim 1, it is characterised in that: the DC/DC direct current conversion
Device (9) is connected with DC/DC controller (15), and the super capacitor (11) is connected with super capacitance management device (16).
3. a kind of workover rig variable-frequency energy storage device according to claim 2, it is characterised in that: monitoring system (5) packet
Include PLC (17) and touch screen (18), the PLC (17) and touch screen (18), DC/DC controller (15) and super capacitance management device
(16) it connects.
4. a kind of workover rig variable-frequency energy storage device according to claim 3, it is characterised in that: the touch screen (18) includes
There are log-in interface window, equipment operating condition interfaces windows, working condition display interface window, surpasses parameter setting interface window
Grade capacitance data display interface window, real-time curve interfaces windows and alarm logging interfaces windows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821820773.4U CN209170031U (en) | 2018-11-06 | 2018-11-06 | A kind of workover rig variable-frequency energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821820773.4U CN209170031U (en) | 2018-11-06 | 2018-11-06 | A kind of workover rig variable-frequency energy storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209170031U true CN209170031U (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821820773.4U Active CN209170031U (en) | 2018-11-06 | 2018-11-06 | A kind of workover rig variable-frequency energy storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209170031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023129794A1 (en) * | 2021-12-27 | 2023-07-06 | Nabors Drilling Technologies Usa, Inc. | Energy storage system control |
-
2018
- 2018-11-06 CN CN201821820773.4U patent/CN209170031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023129794A1 (en) * | 2021-12-27 | 2023-07-06 | Nabors Drilling Technologies Usa, Inc. | Energy storage system control |
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