A new energy station power system automatic generation method

Abstract

The application discloses a new energy station power system automatic generation method, and belongs to the field of new energy power generation, and comprises the following steps: constructing a data template, wherein the data template comprises a load statistics table template, a circuit breaker parameter template, a low-voltage power distribution cabinet drawer specification template, a cable parameter template and a cable inventory template; inputting low-voltage power distribution cabinet parameters, wherein the low-voltage power distribution cabinet parameters comprise a low-voltage power distribution cabinet type, a low-voltage power distribution cabinet standby drawer quantity, a low-voltage power distribution cabinet total quantity and a low-voltage circuit breaker heat dissipation coefficient; setting a wiring loop arrangement principle; automatically generating a station power system wiring; automatically generating a station power load statistics table according to data in the load statistics table template and a calculation principle; and automatically generating a cable inventory. The application can automatically generate a load statistics table, a station power wiring CAD drawing and a cable inventory, and is efficient and convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of new energy power generation technology, and particularly to a new energy station power system automatic generation method. BACKGROUND

[0002] With the increase of the capacity of a single wind farm, photovoltaic power station, energy storage power station or wind-solar-storage combined power station, the load type and quantity of the station power system are increasing, and the system wiring is also increasing. At present, the design method mainly by hand statistics and drawing is inefficient, and it is often impossible to complete the work under the condition of very tight progress requirement. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a new energy station power system automatic generation method, which can automatically generate load statistics table, station power wiring CAD drawing and cable list, and is efficient and convenient.

[0004] To solve the above technical problems, the technical scheme adopted by the present application is:

[0005] A new energy station power system automatic generation method, comprising the following steps:

[0006] S1, constructing a data template, the data template comprising a load statistics table template, a circuit breaker parameter template, a low-voltage power distribution cabinet drawer specification template, a cable parameter template and a cable list template;

[0007] S2, inputting low-voltage power distribution cabinet parameters, the low-voltage power distribution cabinet parameters comprising low-voltage power distribution cabinet type, low-voltage power distribution cabinet standby drawer quantity, low-voltage power distribution cabinet total quantity and low-voltage circuit breaker heat dissipation coefficient;

[0008] S3, setting a wiring loop arrangement principle;

[0009] S4, automatically generating station power system wiring;

[0010] S5, automatically generating a station power load statistics table according to the data and calculation principle in the load statistics table template in S1;

[0011] S6, automatically generating a cable list.

[0012] The further improvement of the technical scheme of the present application is that in S1, the following steps are specifically included:

[0013] S1.1, constructing a load statistics table template;

[0014] The load statistics template comprises a station power load template, a station electric heating load template and a station lighting load template;

[0015] The station power load template content includes load name, installation power, operation mode, installation number, calculated power and voltage parameters, wherein the installation number includes installed number and running number;

[0016] The station electric heating load template content includes load name, category, installation power, simultaneous coefficient, operation mode, calculated power, loop number, whether fire power-off and voltage parameters

[0017] The station lighting load template content includes load name, installation power, simultaneous coefficient, operation mode, calculated power, loop number, whether fire power-off and voltage parameters;

[0018] S1.2 constructs a circuit breaker parameter template;

[0019] The circuit breaker parameter template content includes low-voltage circuit breaker tripper rated current and low-voltage circuit breaker frame rated current;

[0020] The low-voltage circuit breaker tripper rated current includes: 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 160A, 180A, 200A, 250A, 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 6300A, 8000A;

[0021] In the low-voltage circuit breaker frame rated current, the shell frame rated current is 100A when the low-voltage circuit breaker tripper rated current is 10A-100A, the shell frame rated current is 250A when the low-voltage circuit breaker tripper rated current is 125A-250A, and the shell frame rated current of the low-voltage circuit breaker with 630A and above is equal to the tripper rated current;

[0022] S1.3 constructs a low-voltage power distribution cabinet drawer specification template;

[0023] The low-voltage power distribution cabinet drawer specification includes: E / 2, 1E, 2E, 3E, 4E, 5E, 6E, 7E, 8E, 9E, 10E, 11E, each E represents one drawer;

[0024] S1.4 constructs a cable parameter template;

[0025] The cable parameter template content includes 2-core cable parameters, four-core cable parameters and five-core cable parameters; wherein the 2-core cable parameters include cable model, rated carrying capacity, cable radius and conductor radius; the four-core cable parameters include cable model, rated carrying capacity, cable radius and conductor radius; the five-core cable parameters include rated carrying capacity;

[0026] S1.5 establishes a cable inventory template;

[0027] The cable inventory template content includes serial number, installation unit, cable starting point, cable ending point, cable number, cable cross section, cable length, maximum continuous operating current, tripping device rated current, cable rated current-carrying capacity, heat dissipation correction coefficient and cable voltage drop.

[0028] Further improvement of the technical scheme of the present application is that in S2, specifically comprising the following steps:

[0029] S2.1 low-voltage power distribution cabinet type input;

[0030] The low-voltage power distribution cabinet is provided with three types, and the models are MNS type, GCS type and GGD type; for the MNS type low-voltage power distribution cabinet, each low-voltage power distribution cabinet has 9 drawer spaces, i.e. 9E; for the GCS type low-voltage power distribution cabinet, each low-voltage power distribution cabinet has 11 drawer spaces, i.e. 11E; for the fixed GDD type low-voltage power distribution cabinet, each low-voltage power distribution cabinet is provided with a number of circuit breakers, and the number of circuit breakers is self-defined; the number of drawers used by low-voltage circuit breakers with different rated currents needs to be customized input;

[0031] S2.2 input of the number of spare drawers of each low-voltage power distribution cabinet;

[0032] S2.3 input of the total number of low-voltage power distribution cabinets;

[0033] S2.4 input of the heat dissipation coefficient of low-voltage circuit breakers.

[0034] Further improvement of the technical scheme of the present application is that in S3, the wiring loop arrangement principle is:

[0035] According to the number of installation stations or the number of loops in the load statistical table template, the load loop is split and the wiring loop is arranged, and the arrangement principle is that the load with 1 installation station or 1 loop is arranged in the same low-voltage cabinet in turn, and when it is full, it is automatically transferred to the next low-voltage cabinet; for the load loop with 2 or more installation stations or 2 or more loops, it is arranged in different low-voltage cabinets in turn, and when the current low-voltage cabinet is full, it is automatically transferred to the next low-voltage cabinet.

[0036] Further improvement of the technical scheme of the present application is that in S4, specifically comprising the following steps:

[0037] S4.1 selecting the circuit breaker tripping device rated current in the circuit breaker parameter template according to the calculated load current size and heat dissipation coefficient;

[0038] S4.2 selecting the corresponding cable cross section from the corresponding rated current-carrying capacity of the cable parameter template according to the selected circuit breaker tripping device rated current;

[0039] S4.3 According to the selected switch cabinet type, the rated current circuit breaker of different shell frame and the occupied module, the reserved drawer number of each low-voltage power distribution cabinet, and the total number of low-voltage power distribution cabinets, as the basis for judging whether each low-voltage cabinet is full.

[0040] S4.4 According to the specified wiring loop arrangement principle and the drawer specification, the wiring loop arrangement is arranged, and the wiring loop arrangement result is valued, including cable number valuation, circuit breaker parameter valuation, cable specification valuation, loop name valuation, and reply calculation load power valuation; according to the set wiring loop arrangement principle and the basis for judging whether each low-voltage cabinet is full, the station power system wiring CAD drawing is automatically generated.

[0041] Further improvement of the technical scheme of the application is that in S5, the calculation principle is as follows:

[0042] (1) The devices in continuous operation and frequent short-time operation in the operation mode need to be calculated;

[0043] (2) The devices in infrequent short-time and intermittent operation are not calculated;

[0044] (3) The refrigeration load and the heating load do not appear at the same time, and the larger one is selected to be calculated;

[0045] (4) The simultaneous coefficient is considered;

[0046] (5) The station power calculation load S≥0.85×P1+P2+P3kVA; wherein, P1 is the power load, P2 is the electric heating load considering the simultaneous coefficient, and P3 is the lighting load considering the simultaneous coefficient.

[0047] Further improvement of the technical scheme of the application is that in S6, the specific steps include:

[0048] S6.1 According to the required data in the cable inventory template, the corresponding data is extracted from the station power system wiring CAD drawing and valued in the cable inventory template, and the cable inventory is automatically generated;

[0049] S6.2 According to the cable length, the cable cross section is calculated, if it meets the requirements, the actual output is output, if it does not meet the requirements, the cross section is increased, and the verification is continued until the cable cross section meeting the pressure drop requirements is selected;

[0050] S6.3 The cable inventory is exported.

[0051] Due to the adoption of the above technical scheme, the technical progress achieved by the application is:

[0052] The application is directed to the characteristics of new energy station power load type, constructs a specific load statistics format template, automatically splits the loop, and combines the set principles to automatically arrange the load loop, one-key automatically generates the new energy station power system wiring CAD diagram, load statistics CAD diagram and cable list, realizes the simple operation with little time, automatically generates the load statistics table and station power wiring CAD diagram, and generates the cable list, the principle is clear and obvious, greatly improves the production efficiency, has high popularization and application value. BRIEF DESCRIPTION OF DRAWINGS

[0053] Figure 1 is the flow chart of the application. DETAILED DESCRIPTION

[0054] The application will be further described in detail below in combination with the drawings and examples:

[0055] As Figure 1 shown, a new energy station power system automatic generation method, comprising the following steps:

[0056] S1, construct a data template, the data template includes a load statistics table template, a circuit breaker parameter template, a low-voltage power distribution cabinet drawer specification template, a cable parameter template and a cable list template;

[0057] S1.1 constructs a load statistics table template;

[0058] The load statistics template includes a station power load template, a station electric heating load template and a station lighting load template;

[0059] The station power load template content includes load name, installation power, operation mode, installation number, calculation power and voltage parameter, wherein the installation number includes the number of installed and running stations; the station power load statistics table template is shown in Table 1

[0060] Table 1 Station power load statistics table template

[0061]

[0062] The station electric heating load template content includes load name, category, installation power, simultaneous coefficient, operation mode, calculation power, loop number, whether fire alarm power off and voltage parameter; the station electric heating load statistics table template is shown in Table 2;

[0063] Table 2 Station electric heating load statistics table template

[0064]

[0065] The station lighting load template content includes load name, installation power, simultaneous coefficient, operation mode, calculated power, loop number, whether fire power-off and voltage parameters; the station lighting load statistics table template is shown in Table 3;

[0066] Table 3 Station lighting load statistics table template

[0067]

[0068] S1.2 constructs a circuit breaker parameter template;

[0069] The circuit breaker parameter template content includes low-voltage circuit breaker tripper rated current and low-voltage circuit breaker frame rated current;

[0070] The low-voltage circuit breaker tripper rated current includes: 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 160A, 180A, 200A, 250A, 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 6300A, 8000A;

[0071] In the low-voltage circuit breaker frame rated current, the shell frame rated current is 100A when the low-voltage circuit breaker tripper rated current is 10A-100A, the shell frame rated current is 250A when the low-voltage circuit breaker tripper rated current is 125A-250A, and the shell frame rated current of the low-voltage circuit breaker with 630A and above is equal to the tripper rated current.

[0072] S1.3 constructs a low-voltage power distribution cabinet drawer specification template;

[0073] The low-voltage power distribution cabinet drawer specification includes: E / 2, 1E, 2E, 3E, 4E, 5E, 6E, 7E, 8E, 9E, 10E, 11E, each E represents one drawer.

[0074] S1.4 constructs a cable parameter template;

[0075] The cable parameter template content includes 2-core cable parameters, four-core cable parameters and five-core cable parameters; wherein, the 2-core cable parameters include cable model, rated carrying capacity, cable radius and conductor radius; the four-core cable parameters include cable model, rated carrying capacity, cable radius and conductor radius; the five-core cable parameters include rated carrying capacity; the cable parameter template is shown in Table 4;

[0076] Table 4 Cable parameter template

[0077]

[0078] S1.5 establishes a cable inventory template;

[0079] The cable inventory template content includes serial number, installation unit, cable starting point, cable end point, cable number, cable cross section, cable length, maximum continuous operating current, relay rated current, cable rated current-carrying capacity, heat dissipation correction coefficient and cable voltage drop; the cable inventory template is shown in Table 5;

[0080] Table 5 Cable inventory template

[0081]

[0082] S2, low-voltage power distribution cabinet parameter input;

[0083] The low-voltage power distribution cabinet parameters include low-voltage power distribution cabinet type, low-voltage power distribution cabinet spare drawer number, low-voltage power distribution cabinet total number and low-voltage circuit breaker heat dissipation coefficient;

[0084] S2.1 low-voltage power distribution cabinet type input;

[0085] The low-voltage power distribution cabinet is provided with three types, and the models are MNS type (M-standard part mode, N-low voltage, S-switch power distribution equipment, the code of low-voltage draw-out switch cabinet), GCS type (G-enclosed switch cabinet, C-draw-out type, S-sun source electrical system, the code of low-voltage draw-out switch cabinet) and GGD type (G-low-voltage power distribution cabinet, G-fixed installation, wiring, D-power cabinet, the code of low-voltage fixed switch cabinet). For MNS type low-voltage power distribution cabinet, there are 9 drawer spaces in each low-voltage power distribution cabinet, that is, 9E; for GCS type low-voltage power distribution cabinet, there are 11 drawer spaces in each low-voltage power distribution cabinet, that is, 11E; for fixed GDD type low-voltage power distribution cabinet, each low-voltage power distribution cabinet is provided with a number of circuit breakers, which is self-defined; the number of drawers used by low-voltage circuit breakers with different rated currents needs to be customized, such as 63A and below low-voltage circuit breakers occupying E / 2, that is, occupying half of the drawer, 63A and above and 250A and below low-voltage circuit breakers occupying 1E, that is, occupying 1 drawer, and so on.

[0086] S2.2 input of the number of spare drawers of each low-voltage power distribution cabinet;

[0087] S2.3 input of the total number of low-voltage power distribution cabinets;

[0088] S2.4 low-voltage circuit breaker heat dissipation coefficient input.

[0089] S3, set the wiring loop arrangement principle;

[0090] According to the data in the load statistics table template, the load circuit is split, the load current is calculated, the result is compared with the circuit breaker parameter template data, the circuit breaker specification is selected, the circuit breaker specification is compared with the data in the low-voltage power distribution cabinet drawer specification template, and the drawer specification is selected; then, according to the specified wiring loop arrangement principle and the drawer specification, the wiring loop is arranged; then, the wiring loop arrangement result is assigned, including cable number assignment, circuit breaker parameter assignment, cable specification assignment, loop name assignment, and load power calculation assignment;

[0091] According to the number of installed tables or the number of loops in the load statistics table template, the load circuit is split and the wiring loop is arranged; the arrangement principle is that the loads with one table or one loop are arranged in the same low-voltage cabinet in turn, and when the low-voltage cabinet is full, the next low-voltage cabinet is automatically entered; for the loads with two or more tables or two or more loops, the wiring loop is arranged in different low-voltage cabinets in turn, and when the current low-voltage cabinet is full, the next low-voltage cabinet is automatically entered.

[0092] S4, the station power system wiring is automatically generated;

[0093] S4.1 According to the calculated load current size and heat dissipation coefficient, the circuit breaker tripper rated current is selected in the circuit breaker parameter template;

[0094] S4.2 According to the selected circuit breaker tripper rated current, the corresponding cable cross section is selected from the corresponding rated carrying capacity of the cable parameter template;

[0095] S4.3 According to the selected switch cabinet type, the rated current of the circuit breaker of different shells and the occupied module, the number of drawers reserved in each low-voltage power distribution cabinet, and the total number of low-voltage power distribution cabinets, as the basis for judging whether each low-voltage cabinet is full;

[0096] S4.4 According to the specified wiring loop arrangement principle and the drawer specification, the wiring loop is arranged; the wiring loop arrangement result is assigned, including cable number assignment, circuit breaker parameter assignment, cable specification assignment, loop name assignment, and load power calculation assignment; according to the set wiring loop arrangement principle and the basis for judging whether each low-voltage cabinet is full, the station power system wiring CAD drawing is automatically generated.

[0097] S5, according to the data in the load statistics table template in S1 and the calculation principle, the station power load statistics table is automatically generated;

[0098] The calculation principle is as follows:

[0099] (1) The devices that are continuously operated and frequently short-time operated in the operation mode need to be calculated;

[0100] (2) The devices that are not frequently short-time operated and intermittently operated are not calculated;

[0101] (3) The larger one is selected when the refrigeration load and the heating load do not occur at the same time;

[0102] (4) The simultaneous coefficient is considered;

[0103] (5) The station power calculation load S≥0.85×P1+P2+P3 kVA; wherein, P1 is the power load, P2 is the electric heating load considering the simultaneous coefficient, and P3 is the lighting load considering the simultaneous coefficient.

[0104] S6, the cable list is automatically generated;

[0105] S6.1 According to the required data in the cable list template, the corresponding data is extracted from the station power system wiring CAD drawing and assigned to the cable list template to automatically generate the cable list;

[0106] S6.2 According to the cable length, the cable cross section is calculated, if it meets the requirements, the actual output is obtained, if it does not meet the requirements, the cross section is increased, the verification is continued, until the cable cross section that meets the voltage drop requirements is selected;

[0107] S6.3 The cable list is exported.

[0108] In summary, a new energy station power system automatic generation method is to construct a specific load statistics format template according to the characteristics of new energy station power load type, automatically split the loop, and automatically arrange the load loop combined with the set principles, which realizes the generation of load statistics table and station power wiring CAD drawing with simple operation and little time, and generates the cable list, the principle is clear and easy to understand, greatly improves the production efficiency, and has high popularization and application value.

Claims

1. A new energy station power system automatic generation method, characterized by: The method comprises the following steps: S1, constructing a data template, the data template comprising a load statistics table template, a circuit breaker parameter template, a low-voltage power distribution cabinet drawer specification template, a cable parameter template, and a cable inventory template; S2, inputting low-voltage power distribution cabinet parameters, the low-voltage power distribution cabinet parameters comprising a low-voltage power distribution cabinet type, a low-voltage power distribution cabinet standby drawer quantity, a low-voltage power distribution cabinet total quantity, and a low-voltage circuit breaker heat dissipation coefficient; S3, setting a wiring loop arrangement principle; S4, automatically generating a station power system wiring; S4.1, selecting a circuit breaker tripper rated current in the circuit breaker parameter template according to the calculated load current size and the heat dissipation coefficient; S4.2, selecting a corresponding cable cross section from the cable parameter template according to the selected circuit breaker tripper rated current; S4.3, according to the selected switch cabinet type, different shell rated current circuit breakers and the occupied module, the number of drawers reserved for each low-voltage power distribution cabinet, and the total number of low-voltage power distribution cabinets, as the basis for determining whether each low-voltage cabinet is full; S4.4, arranging the wiring loop according to the specified wiring loop arrangement principle and the drawer specification; performing value assignment operations on the wiring loop arrangement results, including cable number assignment, circuit breaker parameter assignment, cable specification assignment, loop name assignment, and load power calculation assignment; automatically generating a station power system wiring CAD drawing according to the set wiring loop arrangement principle and the basis for determining whether each low-voltage cabinet is full; S5, automatically generating a station power load statistics table according to the data in the load statistics table template in S1 and the calculation principle; S6, automatically generating a cable inventory.

2. The new energy station power system automatic generation method according to claim 1, characterized in that: In S1, the following steps are specifically included: S1.1, constructing a load statistics table template; The load statistics table template comprises a station power load template, a station electric heating load template, and a station lighting load template; The station power load template content includes load name, installation power, operation mode, installed number, calculated power, and voltage parameters, wherein the installed number includes the number of installed units and the number of units in operation; The station electric heating load template content includes load name, category, installation power, simultaneous coefficient, operation mode, calculated power, loop number, whether fire alarm power is cut off, and voltage parameters; The station lighting load template content includes load name, installation power, simultaneous coefficient, operation mode, calculated power, loop number, whether fire alarm power is cut off, and voltage parameters; S1.2, constructing a circuit breaker parameter template; The circuit breaker parameter template content includes a low-voltage circuit breaker tripper rated current and a low-voltage circuit breaker frame rated current; The low-voltage circuit breaker tripper rated current includes: 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 160A, 180A, 200A, 250A, 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 6300A, 8000A; In the low-voltage circuit breaker frame rated current, the low-voltage circuit breaker tripping device rated current is 10A-100A, the shell rated current is 100A, the shell rated current is 250A, and the shell rated current of the low-voltage circuit breaker is equal to the rated current of the tripping device; S1.3 constructs a low-voltage power distribution cabinet drawer specification template; The low-voltage power distribution cabinet drawer specification includes: E / 2, 1E, 2E, 3E, 4E, 5E, 6E, 7E, 8E, 9E, 10E, 11E, each E represents 1 drawer; S1.4 constructs a cable parameter template; The cable parameter template content includes two-core cable parameters, four-core cable parameters and five-core cable parameters; wherein, the two-core cable parameters include cable model, rated carrying capacity, cable radius and conductor radius; the four-core cable parameters include cable model, rated carrying capacity, cable radius and conductor radius; the five-core cable parameters include rated carrying capacity; S1.5 establishes a cable inventory template; The cable inventory template content includes serial number, installation unit, cable starting point, cable ending point, cable number, cable cross section, cable length, maximum continuous operating current, tripping device rated current, cable rated carrying capacity, heat dissipation correction coefficient and cable voltage drop.

3. The new energy station power system automatic generation method according to claim 1, characterized in that: In S2, the following steps are specifically included: S2.1 low-voltage power distribution cabinet type input; The low-voltage power distribution cabinet is provided with three types, and the models are MNS, GCS and GGD respectively; for the MNS type low-voltage power distribution cabinet, each low-voltage power distribution cabinet has 9 drawer spaces, i.e. 9E; for the GCS type low-voltage power distribution cabinet, each low-voltage power distribution cabinet has 11 drawer spaces, i.e. 11E; for the fixed GGD type low-voltage power distribution cabinet, each low-voltage power distribution cabinet is provided with a number of circuit breakers, which is self-defined; the number of drawers used by low-voltage circuit breakers with different rated currents needs to be customized; S2.2 input the number of spare drawers per low-voltage power distribution cabinet; S2.3 input the total number of low-voltage power distribution cabinets; S2.4 input the heat dissipation coefficient of low-voltage circuit breaker.

4. The new energy station power system automatic generation method according to claim 1, characterized in that: In S3, the wiring loop arrangement principle is: According to the number of installation tables or loop numbers in the load statistical table template, the load loop is split and the wiring loop is arranged, the arrangement principle is that the load with 1 installation table or 1 loop number is arranged in the same low-voltage cabinet in turn, and when it is full, it is automatically transferred to the next low-voltage cabinet, and for the load loop with 2 or more installation tables or 2 or more loop numbers, it is arranged in different low-voltage cabinets in turn, and when the current low-voltage cabinet is full, it is automatically transferred to the next low-voltage cabinet.

5. The new energy station power system automatic generation method according to claim 1, characterized in that: In S5, the calculation principle is as follows: (1) The devices that need to be calculated are continuously operated and frequently short-time operated in the operation mode; (2) The devices that do not need to be calculated are not frequently short-time operated and intermittently operated; (3) When the refrigeration load and the heating load do not appear at the same time, the larger one is selected; (4) Consider the simultaneous coefficient; (5) The station power calculation load S≥0.85×P1+P2+P3kVA; wherein, P1 is the power load, P2 is the electric heating load considering the simultaneous coefficient, and P3 is the lighting load considering the simultaneous coefficient.

6. The new energy station power system automatic generation method according to claim 1, characterized in that: In S6, the following steps are specifically included: S6.1 According to the data required in the cable inventory template, the corresponding data is extracted from the station power system wiring CAD drawing and assigned to the cable inventory template to automatically generate the cable inventory; S6.2 According to the cable length, the cable cross-section is calculated for voltage drop, if it meets the requirements, the actual output is obtained, if it does not meet the requirements, the cross-section is increased, and the verification is continued until the cable cross-section that meets the voltage drop requirements is selected; S6.3 The cable inventory is derived.

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