CN210628081U - Special transformer for oil field matched with frequency conversion cabinet - Google Patents

Special transformer for oil field matched with frequency conversion cabinet Download PDF

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Publication number
CN210628081U
CN210628081U CN201922091842.3U CN201922091842U CN210628081U CN 210628081 U CN210628081 U CN 210628081U CN 201922091842 U CN201922091842 U CN 201922091842U CN 210628081 U CN210628081 U CN 210628081U
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China
Prior art keywords
frequency conversion
oil
voltage
conversion cabinet
frequency
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Active
Application number
CN201922091842.3U
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Chinese (zh)
Inventor
王松
李兵
李立广
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Hengshui Bihai Electric Power Equipment Co ltd
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Hengshui Bihai Electric Power Equipment Co ltd
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Abstract

The utility model discloses an oil field special transformer matched with a frequency conversion cabinet, which comprises an oil tank, a top cover arranged on the top surface of the oil tank, and a broadband voltage regulating winding arranged on the inner side of the oil tank, wherein each joint of the broadband voltage regulating winding is respectively and electrically connected to a tapping switch joint on the top cover; the top cover is also provided with a low-voltage porcelain insulator sleeve and a high-voltage porcelain insulator sleeve which are connected with the input end and the output end of the broadband voltage regulating winding; the top cover is also provided with a frequency converter seat plate; a frequency conversion cabinet is fixed on the frequency converter base plate; the input end of the frequency conversion cabinet is electrically connected to a voltage incoming line connector; and the output end of the frequency conversion cabinet is electrically connected to the low-voltage porcelain insulator sleeve. The utility model discloses a special transformer in oil field of supporting frequency conversion cabinet is applied to the oil field specially, according to the depth of oil well oil level, adjusts the voltage level, in addition, adopts wide band voltage regulating winding can cooperate the frequency conversion cabinet to use, and it is applicable to the frequency in certain range; the transformer does not need to be replaced due to different frequencies.

Description

Special transformer for oil field matched with frequency conversion cabinet
Technical Field
The utility model relates to a transformer, concretely relates to supporting frequency conversion cabinet's special transformer in oil field belongs to transformer technical field.
Background
The transformer consists of an iron core and a coil, wherein the coil is provided with two or more than two windings, the winding connected with the power supply is called a primary coil, and the other windings are called secondary coils; it can transform alternating voltage, current and impedance; in the prior art, transformers are applied to various industries, wherein energy conservation and consumption reduction are one problem faced by the macroscopic economy of China, and the theme of improving the energy utilization rate and saving energy is the current stage power development of China; at present, oil field pumping equipment at home and abroad causes that most of a power system of a pumping unit runs in a working state of a large horse-drawn trolley due to mechanical characteristics, the efficiency of the power system is generally lower than 30 percent, and the problems of low efficiency, high energy consumption and high oil extraction cost are caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a special transformer in oil field of supporting frequency conversion cabinet is applied to the oil field specially, according to the depth of oil well oil level, and the adjustment voltage level can be applicable to the transformer of different frequencies simultaneously.
The utility model discloses a special transformer for oil field of matching frequency conversion cabinet, which comprises an oil tank, a top cover arranged on the top surface of the oil tank, and a broadband voltage regulating winding arranged on the inner side of the oil tank, wherein each joint of the broadband voltage regulating winding is electrically connected to a tapping switch joint on the top cover respectively; the top cover is also provided with a low-voltage porcelain insulator sleeve and a high-voltage porcelain insulator sleeve which are connected with the input end and the output end of the broadband voltage regulating winding; the top cover is also provided with a frequency converter seat plate; a frequency conversion cabinet is fixed on the frequency converter base plate; the input end of the frequency conversion cabinet is electrically connected to a voltage incoming line connector; the output end of the frequency conversion cabinet is electrically connected to the low-voltage porcelain insulator sleeve, primary voltage is connected to the voltage incoming line of the frequency conversion cabinet, the primary voltage enters the low-voltage porcelain insulator sleeve after being modulated by the frequency converter, the low-voltage porcelain insulator sleeve enters the primary coil of the broadband voltage regulating winding, the number of turns of the secondary coil of the broadband voltage regulating winding is selected through the tap switch, then the voltage transformation ratio is determined, and finally, after voltage transformation is completed, the high-voltage end is conveyed to the high-voltage porcelain insulator sleeve.
As a preferred embodiment, the working frequency of the frequency conversion cabinet is 20-80 Hz, and the frequency conversion cabinet is used for frequency conversion control.
In a preferred embodiment, the tap changer is an on-load tap changer, which is capable of voltage level switching under a towing situation.
In a preferred embodiment, the frequency converter base plate is arranged between the low-voltage porcelain insulator sleeve and the tap changer.
Compared with the prior art, the utility model discloses a special transformer in oil field of supporting frequency conversion cabinet is applied to the oil field specially, according to the depth of oil well oil level, adjusts the voltage level, in addition, adopts wide band voltage regulating winding can cooperate the frequency conversion cabinet to use, and it is applicable to the frequency in the certain limit; the transformer does not need to be replaced due to different frequencies.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
Example 1:
as shown in fig. 1, the transformer for oil field dedicated to matching with a frequency conversion cabinet of the present invention comprises an oil tank 1, a top cover 2 disposed on the top surface of the oil tank, and a broadband voltage regulating winding (not shown) disposed inside the oil tank, wherein the coil winding and the winding end arrangement of the broadband are the prior art, and the detailed winding structure thereof is not detailed herein; each joint of the broadband voltage regulating winding is respectively and electrically connected to a joint of a tap switch 3 on the top cover; the top cover 2 is also provided with a low-voltage porcelain insulator sleeve (not shown) and a high-voltage porcelain insulator sleeve 4 which are connected with the input end and the output end of the broadband voltage regulating winding; the top cover 2 is also provided with a frequency converter seat plate 5; a frequency conversion cabinet 6 is fixed on the frequency converter base plate 5; the input end of the frequency conversion cabinet 6 is electrically connected to a voltage incoming line connector 7; the output end of the frequency conversion cabinet 6 is electrically connected to the low-voltage porcelain insulator sleeve, primary voltage is connected to the voltage incoming line of the frequency conversion cabinet, the primary voltage enters the low-voltage porcelain insulator sleeve after being modulated by the frequency converter, the low-voltage porcelain insulator sleeve enters the primary coil of the broadband voltage regulating winding, the number of turns of the secondary coil of the broadband voltage regulating winding is selected through the tap switch, then the voltage transformation ratio is determined, and finally, after voltage transformation is completed, the high-voltage end is conveyed to the high-voltage porcelain insulator sleeve.
The working frequency of the frequency conversion cabinet 6 is 20-80 Hz, and the frequency conversion cabinet is used for frequency-modulated output and can be suitable for frequency conversion control; the tap changer 3 is an on-load tap changer which can carry out voltage grade switching under the condition of dragging and carrying; and the frequency converter base plate 5 is arranged between the low-voltage porcelain insulator sleeve and the tap switch 3.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.

Claims (4)

1. The utility model provides a supporting frequency conversion cabinet's special transformer in oil field, includes the oil tank, and sets up in the top cap of oil tank top surface, its characterized in that: the broadband voltage regulating winding is arranged on the inner side of the oil tank, and all joints of the broadband voltage regulating winding are electrically connected to tapping switch joints on the top cover respectively; the top cover is also provided with a low-voltage porcelain insulator sleeve and a high-voltage porcelain insulator sleeve which are connected with the input end and the output end of the broadband voltage regulating winding; the top cover is also provided with a frequency converter seat plate; a frequency conversion cabinet is fixed on the frequency converter base plate; the input end of the frequency conversion cabinet is electrically connected to a voltage incoming line connector; and the output end of the frequency conversion cabinet is electrically connected to the low-voltage porcelain insulator sleeve.
2. The special transformer for the oil field of the matched frequency conversion cabinet according to claim 1, which is characterized in that: the working frequency of the frequency conversion cabinet is 20-80 Hz.
3. The special transformer for the oil field of the matched frequency conversion cabinet according to claim 1, which is characterized in that: the tap changer is an on-load tap changer.
4. The special transformer for the oil field of the matched frequency conversion cabinet according to claim 1, which is characterized in that: the frequency converter base plate is arranged between the low-voltage porcelain bottle sleeve and the tapping switch.
CN201922091842.3U 2019-11-28 2019-11-28 Special transformer for oil field matched with frequency conversion cabinet Active CN210628081U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922091842.3U CN210628081U (en) 2019-11-28 2019-11-28 Special transformer for oil field matched with frequency conversion cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922091842.3U CN210628081U (en) 2019-11-28 2019-11-28 Special transformer for oil field matched with frequency conversion cabinet

Publications (1)

Publication Number Publication Date
CN210628081U true CN210628081U (en) 2020-05-26

Family

ID=70759850

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922091842.3U Active CN210628081U (en) 2019-11-28 2019-11-28 Special transformer for oil field matched with frequency conversion cabinet

Country Status (1)

Country Link
CN (1) CN210628081U (en)

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