Split type uninterruptible power pre-synchronization control device

Abstract

The utility model relates to a split type uninterruptible power pre-synchronization control device, which belongs to the technical field of electric power system equipment, and comprises a power generation device, a grid-connected control box and a synchronous circuit breaker, and the output end of the grid-connected control box is in communication connection with the synchronous circuit breaker through an extension cable; one end of the synchronous circuit breaker is connected with a second grid-connected line, and the free end of the second grid-connected line is electrically connected with a front-end power transmission main line connected with the output end of the main line transformer; the other end of the synchronous circuit breaker is electrically connected with the load end through a third grid-connected line. The output end of the front-end power transmission main line is connected with the main line breaker, the output end of the main line breaker is connected with the rear-end power transmission main line, and the output end of the rear-end power transmission main line is connected with the load end. And the grid-connected control box is also in communication connection with the power generation device. According to the utility model, the opening and closing of the circuit breaker at the strong current end are controlled through the weak current end, the safety is good, and phase sequence errors and power supply interruption in the power supply switching process can be avoided at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of split type uninterrupted power pre-synchronization control device, belong to electric power system equipment technical field. BACKGROUND

[0002] With the development of national economy, people's demand for safe operation of electric power system and stable power supply is more and more strict. When the distribution network is overhauled, the overhaul area needs to be powered off first, and the interruption of power supply will have a great impact on people's life and industrial production. Power failure may cause inconvenience to family life, affect the operation of production line and business activities, and even cause factory shutdown, causing huge economic losses.

[0003] At present, in order to solve the power failure problem during distribution network overhaul, the usual solution is to use a temporary power supply such as a power generation vehicle to supply power to users, but due to the inconsistency of voltage, frequency and phase between the temporary power supply and the power grid power supply, the temporary power supply needs to be connected and disconnected without power grid power supply, and the user will experience two power interruptions. In addition, during the process of connecting the temporary power supply to the power grid, the phase sequence may not match, and when the phase sequence error is found after phase checking, the phase sequence needs to be changed by exchanging the outgoing cable of the power generation vehicle and re-wiring, which is time-consuming and labor-intensive. And in the process of phase checking and wiring control, it is necessary to connect with the load end and manually control, which has certain electric power safety risk, so it is urgent to improve. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned shortcomings in the prior art, the utility model designs a kind of split type uninterrupted power pre-synchronization control device, which controls the opening and closing of the circuit breaker of the strong current end by the weak current end, has good safety, and can avoid phase sequence error and power interruption during power supply switching.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of split type uninterrupted power pre-synchronization control device, comprising:

[0007] The power generation device is electrically connected to the load end through the grid connection line one, and is used to provide power to the load end.

[0008] It also includes a synchronizing circuit breaker and a grid connection control box for adjusting the output parameters of the power generation device according to the power grid parameters of the city power supply end, and the output end of the grid connection control box is communicatively connected to the synchronizing circuit breaker through an extension cable.

[0009] The synchronizing circuit breaker is connected to the grid connection line two at one end, and the free end of the grid connection line two is electrically connected to the front end power transmission main line connected to the output end of the main line transformer; the other end of the synchronizing circuit breaker is electrically connected to the load end through the grid connection line three.

[0010] The front end power transmission main line output end is connected with a main line circuit breaker, the main line circuit breaker output end is connected with a rear end power transmission main line, and the rear end power transmission main line output end is connected with a load end.

[0011] The grid-connected control box is further in communication connection with the power generation device.

[0012] Further, the grid-connected control box comprises a box body and a box cover hinged to the box body, a control module for sending control instructions is arranged in the box body, and a plurality of control buttons for controlling the control module to send control instructions are arranged at the top end of the box body.

[0013] Further, the synchronizing circuit breaker is arranged in the shell, a plurality of connection ports are arranged on the side of the shell, a protective cover is arranged on each connection port, a plurality of hinged grooves are arranged at the top end of the protective cover, a dial block is protrusively arranged at the bottom end of the protective cover, a hinged block is arranged in each hinged groove, the hinged block is fixedly connected with the box body, and the hinged block is hinged with the side wall of the hinged groove through a hinged pin.

[0014] Further, a winding mechanism for winding the extension cable is arranged between the shell and the box body.

[0015] The winding mechanism comprises a support frame, a vertical rod is fixedly installed at the top end of the support frame, a sleeve joint disc is fixedly installed on the side of the vertical rod, a winding rod is rotatably sleeved on the side away from the vertical rod of the sleeve joint disc, a rotating disc is fixedly sleeved at the free end of the winding rod, and the extension cable is wound on the winding rod.

[0016] The rotating disc is fixedly connected with a push handle on the side away from the sleeve joint disc, a hand carrying rod is fixedly arranged at the top end of the support frame, the hand carrying rod is bent at the top end, and an anti-skid handle is fixedly sleeved at the top end of the hand carrying rod.

[0017] Further, two vertical rods are arranged, a stretchable U-shaped stretchable rod is slidably sleeved between the top ends of the two vertical rods, and a foldable storage roller is arranged at the bottom end of the side close to the vertical rod of the support frame.

[0018] Further, a display screen for displaying the output parameters of the power generation device and the power parameters of the front end power transmission main line is arranged on the box body, and a voice broadcaster for broadcasting prompt voice is further arranged on the box body.

[0019] Further, a corresponding connection mark is arranged at the top of each connection port.

[0020] Further, the support frame comprises a connecting rod and a plurality of support rods perpendicularly fixed on the side of the connecting rod, and the support rods are arranged on the side close to the sleeve joint disc.

[0021] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0022] 1, the utility model discloses the setting of parallel operation control box can detect the power parameter of front end transmission main line and the output of power generation device is adjusted dynamically, realizes the pre-synchronization of power generation device and front end transmission main line power parameter, ensures that the parameter of both is synchronized only then carries out parallel operation, avoids the power grid failure and power failure that the huge impact current and power grid oscillation caused by the nonsynchronous closing possibly bring, effectively improves the reliability of power supply, guarantees the safe and stable operation of power grid, simultaneously, the dual safety mechanism that voice broadcast function and manual confirmation are combined simplifies the operation process and guarantees the operation safety.

[0023] 2, the utility model discloses the separation type design of parallel operation control box and the shell of built-in synchronous circuit breaker, weak control end and strong operation end are physically isolated, and the operation personnel only need to carry out low voltage instruction operation in weak operation end, and the synchronous circuit breaker action of strong end is controlled remotely through extension cable, and the risk that personnel directly contact high voltage live part is avoided completely, and the operation personnel is ensured to be always in no strong electric field environment through space isolation, and this person-electric separation architecture makes when parallel operation, even if the short circuit failure of strong side occurs, the electromagnetic safety state of operation platform area can still be kept, and the risk of electric shock, electric arc burn and other occupational hazards is fundamentally eliminated, and simultaneously, in order to adapt to different operation scenes, through the setting of winding mechanism, the extension cable can be wound on the winding mechanism, and the extension cable can be lengthened when needed, guaranteeing enough safety distance, and the winding mechanism also facilitates the storage of extension cable, guaranteeing the neatness of operation site, and further improving safety. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the connection schematic diagram of the utility model;

[0025] Figure 2 It is the wiring schematic diagram of the utility model parallel operation control box and shell;

[0026] Figure 3 It is the structure schematic diagram of the utility model parallel operation control box;

[0027] Figure 4 It is the structure schematic diagram of the utility model shell;

[0028] Figure 5 It is the structure schematic diagram of the utility model winding mechanism.

[0029] Wherein the reference signs are: 100, grid-connected control box; 1001, box body; 1002, box cover; 1003, control button; 1004, protective cover; 1005, dial block; 1006, hinged groove; 1007, hinged block; 1008, connection port; 1009, voice broadcaster; 1010, connection mark; 1011, display screen; 1012, shell; 1, power generation device; 2, grid-connected line one; 3, power generation circuit breaker; 4, load end; 5, synchronizing circuit breaker; 6, main line transformer; 7, main line circuit breaker; 8, rear end power transmission main line; 9, grid-connected line two; 10, front end power transmission main line; 11, grid-connected line three; 12, winding mechanism; 121, support rod; 122, connecting rod; 123, vertical rod; 124, stretching rod; 125, sleeve joint disc; 126, winding rod; 127, rotating disc; 1271, push handle; 128, hand-held rod; 129, anti-skid handle; 13, extension cable. DETAILED DESCRIPTION

[0030] The utility model will be described in more detail below in combination with examples.

[0031] Example one

[0032] Please refer to Figures 1 to 5 The split uninterruptible pre-synchronization control device includes a power generation device 1, a grid-connected control box 100, and a synchronizing circuit breaker 5. The synchronizing circuit breaker 5 is arranged in a shell 1012. The shell 1012 is provided with a plurality of connection ports 1008 corresponding to a commercial power supply end, a load end 4, and the power generation device 1.

[0033] Specifically, the power generation circuit breaker 3 of the power generation device 1 is electrically connected to the load end 4 through the grid-connected line one 2 to provide power to the load end 4.

[0034] In this embodiment, the power generation device 1 is a power generation vehicle.

[0035] The output end of the grid-connected control box 100 is communicatively connected to the synchronizing circuit breaker 5 through the extension cable 13. The control signal sent by the grid-connected control box 100 is output to the shell 1012 through the extension cable 13 and then output to the power generation vehicle through the connection port 1008 on the shell 1012 or directly output to the synchronizing circuit breaker 5, so as to control the opening and closing of the power generation circuit breaker 3 or the synchronizing circuit breaker 5.

[0036] One end of the synchronizing circuit breaker 5 is connected to the grid-connected line two 9, and the free end of the grid-connected line two 9 is electrically connected to the front end power transmission main line 10 connected to the output end of the main line transformer 6.

[0037] The other end of the synchronizing circuit breaker 5 is electrically connected to the load end 4 through the grid-connected line three 11.

[0038] The front power transmission main line 10 is connected with the main line circuit breaker 7, the main line circuit breaker 7 is connected with the rear power transmission main line 8, and the rear power transmission main line 8 is connected with the load end 4.

[0039] Specifically, the commercial power is input by the main line transformer 6, input to the load end 4 through the front power transmission main line 10, the main line circuit breaker 7 and the rear power transmission main line 8, and the main line circuit breaker 7 is manually opened.

[0040] The grid-connected control box 100 is also in communication connection with the power generation device 1, and is used for detecting the power parameters of the front power transmission main line 10, and also used for adjusting the output parameters of the power generation device 1 according to the detected power parameters of the front power transmission main line 10, and making the output parameters of the power generation device 1 synchronized with the power parameters of the front power transmission main line 10, and only when the output parameters of the power generation device 1 are synchronized with the power parameters of the front power transmission main line 10, the grid-connected operation can be carried out.

[0041] From the above description, the beneficial effects of the utility model are that: through the setting of the grid-connected control box 100, the power parameters of the front power transmission main line 10 can be detected and the output of the power generation device 1 is dynamically adjusted, the pre-synchronization of the power parameters of the power generation device 1 and the front power transmission main line 10 is realized, and the grid connection is carried out only after the parameters of the two are synchronized, so that the power grid failure and power failure caused by the huge impact current and power grid oscillation due to the non-synchronous closing are avoided, the reliability of power supply is effectively improved, and the safe and stable operation of the power grid is ensured.

[0042] Meanwhile, by using the grid-connected control box 100 and the shell 1012 with the synchronizing circuit breaker 5, the control end and the operation end are separated, the control closing or opening of the strong current end of the synchronizing circuit breaker 5 by the weak current end of the grid-connected control box 100 is realized, the safety of the operator during operation is effectively improved, and the accident risk rate is reduced.

[0043] In the embodiment, the grid-connected control box 100 comprises a box body 1001 and a box cover 1002 hinged to the box body 1001, the box body 1001 is provided with a control module for sending control instructions, and the top end of the box body 1001 is also provided with a plurality of control buttons 1003 for controlling the control module to send control instructions.

[0044] Specifically, the control buttons 1003 comprise a power switch, a power generation test switch, a one-key starting switch, a one-key exiting switch, a confirmation switch and an emergency stop switch.

[0045] The power switch is used for starting the grid-connected control box 100, and after wiring is completed, the power switch is pressed to perform the pre-synchronization operation through the grid-connected control box 100.

[0046] In this embodiment, the grid-connected control box 100 needs to be tested before use. Specifically, the shell 1012 is connected with the power generation car cable input line and the power generation car communication line, the connection of the power input end and the load output end is not connected first, after confirming that the connection is correct, press the power switch, then press the power generation test switch, wait for the power generation car to start and stop automatically, and close the power switch after the power generation car completely stops, that is, the power generation test can be completed. The power generation test operation can further verify the correctness of the power generation car output cable connection, which is particularly important and cannot be ignored.

[0047] The one-key start switch is used to control the first grid-connected operation, the one-key exit is used to control the second grid-connected operation, and the confirmation switch is used to confirm the opening and closing state of the main line circuit breaker 7.

[0048] The emergency stop switch is used to disconnect the power generation circuit breaker 3 of the power generation car.

[0049] The synchronizing circuit breaker 5 is arranged in the shell 1012, and a plurality of connection ports 1008 are arranged on the side surface of the shell 1012. A protective cover 1004 is arranged on each connection port 1008. A plurality of hinge grooves 1006 are arranged at the top end of the protective cover 1004. A push block 1005 is arranged on the bottom end of the protective cover 1004. A hinge block 1007 is arranged in each hinge groove 1006. The hinge block 1007 is fixedly connected with the box body 1001, and the hinge block 1007 is hingedly connected with the side wall of the hinge groove 1006 through a hinge pin. The protective cover 1004 can cover the connection port 1008, prevent foreign matters from entering the connection port 1008, and affect the use of the device. The push block 1005 is arranged to facilitate opening of the protective cover 1004.

[0050] The connection port 1008 includes a power generation A-phase connection port, a power generation B-phase connection port, a power generation C-phase connection port and a power generation zero line connection port, which are connected with corresponding interfaces of the power generation car.

[0051] The connection port 1008 further includes a load A-phase connection port, a load B-phase connection port and a load C-phase connection port, which are connected with corresponding interfaces of the load end 4.

[0052] The connection port 1008 further includes a power supply A-phase connection port, a power supply B-phase connection port, a power supply C-phase connection port and a power supply zero line connection port, which are connected with corresponding interfaces of the power input end.

[0053] Each connection port 1008 is provided with a corresponding connection mark 1010, such as "power generation A-phase", "power generation B-phase" and the like, which facilitates corresponding connection of the operator and prevents connection errors.

[0054] Further, the shell 1012 and the box body 1001 are provided with a winding mechanism 12 for winding the extension cable 13. In order to adapt to different working scenes, the extension cable 13 can be wound on the winding mechanism 12, and the extension cable 13 can be extended when needed, so as to ensure a sufficient safety distance. Meanwhile, the winding mechanism 12 also facilitates the storage of the extension cable 13, and ensures the neatness of the working site.

[0055] Specifically, referring to Figure 5 , the winding mechanism 12 comprises a support frame, and the support frame comprises a connecting rod 122 and three support rods 121 fixed vertically on the side of the connecting rod 122, so as to facilitate the support of different bottom surfaces, and the stability of the placement of the support frame will not be affected even if there are protruding foreign matters.

[0056] The top end of the support frame is fixedly installed with a vertical rod 123, the side of the vertical rod 123 is fixedly installed with a sleeve joint disc 125, the sleeve joint disc 125 is rotatably sleeved with a winding rod 126 at the side away from the vertical rod 123, the free end of the winding rod 126 is fixedly sleeved with a rotating disc 127, the extension cable 13 is wound on the winding rod 126, the side of the rotating disc 127 away from the sleeve joint disc 125 is fixedly connected with a push handle 1271, the rotating disc 127 can be rotated by holding the push handle 1271, the winding rod 126 can be rotated by rotating the rotating disc 127, and the extension cable 13 can be stored, which is convenient and fast. When the extension cable 13 needs to be pulled out, the shell 1012 can be directly moved away from the winding rod 126.

[0057] The support rods 121 are arranged on the side close to the sleeve joint disc 125.

[0058] The top end of the support frame is fixedly provided with a carrying rod 128, the top end of the carrying rod 128 is bent, and the top end of the carrying rod 128 is fixedly sleeved with an anti-skid handle 129, so as to facilitate the lifting of the support frame and the carrying.

[0059] Further, the vertical rod 123 is provided with two vertical rods 123, the top ends of the two vertical rods 123 are slidably sleeved with a pull-out U-shaped stretching rod 124, the bottom end of the side of the support frame close to the vertical rod 123 is installed with a foldable storage roller, when the road condition is good, the stretching rod 124 can be pulled out so that the end of the stretching rod 124 is clamped on the top end of the vertical rod 123, and the storage roller is unfolded, so that the support frame can be dragged and walked by the roller, and the support frame can be assisted to be carried.

[0060] Further, the box body 1001 is provided with a display screen 1011 for displaying the output parameters of the power generation device 1 and the power parameters of the front end power transmission main line 10, which can assist the operator to make judgments and improve the grid connection efficiency.

[0061] The cabinet 1001 is further provided with a voice broadcaster 1009 for broadcasting prompt voice, which is used to prompt connection error, main line circuit breaker 7 opening and closing state, etc., and can also prompt the operator to operate, for example, which button to press.

[0062] Embodiment two

[0063] A control strategy of a split uninterruptible pre-synchronization control device, based on the above embodiment one, includes the following steps:

[0064] In normal state, the power supply is supplied to the load end 4 through the main line transformer 6, the front end power transmission main line 10, the main line circuit breaker 7 and the rear end power transmission main line 8;

[0065] When the front end power transmission main line 10 needs to be maintained, connect each connection port 1008 with the power supply end, the load end 4 and the generator car end through the line, confirm that the line connection is correct, press the power switch, and the grid-connected control box 100 can adjust the output parameters of the power generation device 1 to be synchronized with the power parameters of the front end power transmission main line 10 to realize pre-synchronization operation;

[0066] When the output parameters of the power generation device 1 are synchronized with the power parameters of the front end power transmission main line 10, the voice broadcaster 1009 broadcasts a reminder to press the one-key start button, so that the control module controls the synchronization circuit breaker 5 and the power generation circuit breaker 3 to be closed in turn. At this time, the load end 4 is supplied by the power supply and the power generation device 1 at the same time, and the grid-connected operation is completed;

[0067] After the grid-connected operation is completed, manually operate to disconnect the main line circuit breaker 7, the voice broadcaster 1009 broadcasts a reminder to disconnect the main line circuit breaker 7, and then the operator presses the confirmation switch, so that the control module controls the synchronization circuit breaker 5 to be disconnected. At this time, the load end 4 is supplied by the power generation device 1 alone, and the front end power transmission main line 10 in front of the main line circuit breaker 7 can be maintained.

[0068] After the front end power transmission main line 10 is maintained, the output parameters of the power generation device 1 are still adjusted by the grid-connected control box 100 to be synchronized with the power parameters of the front end power transmission main line 10 to realize secondary pre-synchronization operation;

[0069] When the output parameters of the power generation device 1 are synchronized with the power parameters of the front end power transmission main line 10, press the one-key exit switch, so that the control module controls the synchronization circuit breaker 5 to be closed;

[0070] After the synchronization circuit breaker 5 is closed, manually operate the main line circuit breaker 7 to be closed, the voice broadcaster 1009 issues a voice reminder to close the main line circuit breaker 7. At this time, the load end 4 is supplied by the power supply and the power generation device 1 at the same time, and the secondary grid-connected operation is completed;

[0071] After the secondary grid-connection operation is completed, the confirmation switch is pressed to make the control module control the power generation circuit breaker 3 and the synchronization circuit breaker 5 to be disconnected in sequence, at this time, the load end 4 is powered by the commercial power alone, and the power supply is restored to normal;

[0072] Finally, the power generation device 1 is closed, all the connection lines connected with the power generation device 1 and all the connection lines connected with the shell 1012 are disconnected, and the site is arranged.

[0073] Further, the output parameters of the power generation device 1 are synchronized with the power parameters of the front-end power transmission main line 10, and specifically include:

[0074] The frequency of the power generation device 1 is the same as the frequency of the commercial power;

[0075] The outlet voltage of the power generation device 1 is the same as the voltage of the commercial power, and the maximum error is within 5%;

[0076] The phase sequence of the power generation device 1 is the same as the phase sequence of the commercial power;

[0077] The voltage phase of the power generation device 1 is the same as the voltage phase of the commercial power.

[0078] The working principle of the utility model is: the power generation test is carried out on the grid-connection control box 100, after the test is completed, first, the connection ports 1008 are connected with the commercial power end, the load end 4 and the connection points of the power generation vehicle end through the line connection, that is, the synchronization circuit breaker 5 is connected as shown in the connection diagram, after the line connection is completed and it is confirmed that there is no error, the power generation vehicle output and the commercial power output can be pre-synchronized through the grid-connection control box 100. Figure 1

[0079] After the pre-synchronization operation is completed, the one-key start switch is pressed, and the grid-connection operation is waited to be completed.

[0080] After the grid-connection operation is completed, the main line circuit breaker 7 is manually disconnected, and the confirmation switch is pressed.

[0081] After the front-end power transmission main line 10 is repaired, the secondary pre-synchronization operation is carried out through the grid-connection control box 100, after the secondary pre-synchronization operation is completed, the one-key exit switch is pressed, and the secondary grid-connection operation is waited to be completed.

[0082] After the secondary grid-connection operation is completed, the main line circuit breaker 7 is manually closed, and the confirmation switch is pressed.

[0083] After the power generation vehicle is completely stopped, the power supply switch is turned off, and the connection lines are sequentially disconnected.

[0084] ​In the description of the utility model, it is necessary to explain, the term "in", "out", "up" and so on indicate the position relation or location relation is based on the position relation or location relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the restriction of the utility model.

[0085] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "connection" should be broad understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two element internal communication。For ordinary skilled person in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0086] Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled person in the art without creative labor belong to the scope of protection of the utility model.

Claims

1. A split-type uninterrupted pre-synchronization control device, characterized in that: include: Power generation device (1): The power generation circuit breaker (3) of the power generation device (1) is electrically connected to the load end (4) through the grid connection line (2) and is used to provide power to the load end (4); It also includes a synchronizing circuit breaker (5) and a grid-connected control box (100) for adjusting the output parameters of the generator (1) according to the grid parameters of the mains power grid. The output terminal of the grid-connected control box (100) is connected to the synchronizing circuit breaker (5) via an extension cable (13). One end of the synchronizing circuit breaker (5) is connected to the second grid connection line (9), and the free end of the second grid connection line (9) is electrically connected to the front-end power transmission main line (10) connected to the output end of the main line transformer (6); the other end of the synchronizing circuit breaker (5) is electrically connected to the load end (4) through the third grid connection line (11). The output end of the front-end main power transmission line (10) is connected to the main line circuit breaker (7), the output end of the main line circuit breaker (7) is connected to the rear-end main power transmission line (8), and the output end of the rear-end main power transmission line (8) is connected to the load end (4). The grid-connected control box (100) is also connected to the power generation unit (1) via communication.

2. The split-type uninterrupted pre-synchronization control device according to claim 1, characterized in that: The grid-connected control box (100) includes a box body (1001) and a box cover (1002) hinged to the box body (1001). The box body (1001) is equipped with a control module for sending control commands. The top of the box body (1001) is also equipped with several control buttons (1003) for controlling the control module to send control commands.

3. The split-type uninterrupted pre-synchronization control device according to claim 2, characterized in that: The synchronous circuit breaker (5) is installed inside the housing (1012). The housing (1012) has multiple connection ports (1008) on its side. Each connection port (1008) is covered with a protective cover (1004). The top of the protective cover (1004) has several hinge slots (1006). The bottom center of the protective cover (1004) has a downward protruding toe block (1005). Each hinge slot (1006) has a hinge block (1007). The hinge block (1007) is fixedly connected to the housing (1001), and the hinge block (1007) is hinged to the side wall of the hinge slot (1006) by a hinge pin.

4. A split-type uninterrupted pre-synchronization control device according to claim 3, characterized in that: A winding mechanism (12) for winding the extension cable (13) is provided between the housing (1012) and the box (1001); The winding mechanism (12) includes a support frame, a vertical rod (123) is fixedly installed at the top of the support frame, a socket plate (125) is fixedly installed on the side of the vertical rod (123), a winding rod (126) is rotatably sleeved on the side of the socket plate (125) away from the vertical rod (123), a rotating disk (127) is fixedly sleeved on the free end of the winding rod (126), and the extension cable (13) is wound on the winding rod (126); A push handle (1271) is fixedly connected to the side of the rotating disk (127) away from the sleeve disk (125). A carrying rod (128) is fixedly installed at the top of the support frame. The top of the carrying rod (128) is bent, and a non-slip handle (129) is fixedly sleeved on the top of the carrying rod (128).

5. A split-type uninterrupted pre-synchronization control device according to claim 4, characterized in that: Two vertical rods (123) are provided, and a pull-out U-shaped tension rod (124) is slidably sleeved between the top ends of the two vertical rods (123). A foldable and retractable roller is installed at the bottom end of the support frame near the vertical rods (123).

6. A split-type uninterrupted pre-synchronization control device according to claim 3, characterized in that: The enclosure (1001) is equipped with a display screen (1011) for displaying the output parameters of the power generation device (1) and the power parameters of the front-end power transmission main line (10); the enclosure (1001) is also equipped with a voice broadcaster (1009) for broadcasting prompt voices.

7. A split-type uninterrupted pre-synchronization control device according to claim 6, characterized in that: Each of the aforementioned connection ports (1008) has a corresponding connection identifier (1010) on its top.

8. A split-type uninterrupted pre-synchronization control device according to claim 5, characterized in that: The support frame includes a connecting rod (122) and multiple support rods (121) vertically fixed to the side of the connecting rod (122), and the support rods (121) are arranged on the side close to the socket (125).

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