Update Date: 2025-12-22

Update highlights:

1. Mark available/restricted area, greatly improving performance when the number of edges is large

2. Hill-shading analysis defaults to assuming terrains are discontinuous, and employs multithreading to accelerate the calculation speed of hill-shading analysis; adds the function of specifying a date for hill-shading analysis

3. The legend on the top left of the new layout interface displays the projected area of the arrays and PV modules; when placing with user defined pitch, adjacent layout zones are aligned and automatically filled

4. New feature: dynamically displaying the merged shadow area of the arrays within a specified time period

5. New feature: automatically combining into a string based on each array

6. Support MV ring-like electrical configuration; MV AUTO wiring function; Statistics on the length and cost of MV cables; Support non-array transformers for MV electrical connection and export cable list

7. Medium voltage electric current calculation supports by inverter and by transformer capacity; newly added feature is specifying cable section by capacity; newly added feature is the correction factor for parallel laying of MV cables

8. Add the ability to capture projection points/perpendicular feet when drawing route, and add the featrue of auto connect for tiny disconnected or intersecting cable routes

9. Export satellite or aerial orthophotomap images to dwg file

10. Support parallel laying of cable trays with different specifications, increase the count of cable trenches used for conduit installation, support laying in shared trenches, and support calculating the specifications of cable trenches

11. Add the option to select shading objects of the same type in the right-click menu. The blades and cabinet of the WTGs can be controlled to determine whether they participate in the calculation of shadow area and shadow shading loss

12. Significantly improve the simulation speed of 8760 production and reduce memory usage

13. New feature: Interact with CAD through communication Type

Update Description:

1. Project settings

When the longitude and latitude are outside China, the province, city, and district are not displayed

2. Create terrain

When there are key areas, the issue of slow terrain creation is fixed

3. Mark available/restricted area

Significantly improve the speed when adding available/restricted areas when the number of sidelines is large

4. Hill-shading analysis

Hill-shading analysis defaults to assuming terrains are discontinuous, and employs multithreading to accelerate the calculation speed of hill-shading analysis; adds the function of specifying a date for hill-shading analysis

Clear memory usage after hill-shading analysis

5. Create zones

When importing layers, the red line inclusion relationship is automatically set as an inner hole, and there will no longer be a repeated pop-up prompt asking whether to create a PV zone for the inner hole

6. Array layout

The height of the Array layout interface is adjusted according to the resolution and display ratio

The legend on the top left of the newly added layout interface displays the projected areas of the Array and PV module; the Filling layout adopts the azimuth of the existing Array

When arranging with a Tracking, horizontal N-S axis, if the Height above ground of the Array is too small, it may sink into the Terrain when rotated to the maximum Angle

Fix the issue of calculation errors that may occur when placing the array in the negative y-axis quadrant during the optimization of pitch placement array

When increasing the custom pitch layout of a single layout zone, if you select to align with adjacent zones, and if there is only one adjacent zone, and if the array of the adjacent zone is a custom pitch layout, and if the pitch is the same as the zone to be arranged, the entire zone can be automatically filled Optimization of Array Layout Optimization cost and Production calculation, addressing the discrepancy between the optimized interface results and the actual results after selecting a plan

7. Review shading

Add display array shadow range

8. Pairing half string

Optimization of performance; supports entering component count deviations during pairing, and allows type-specific selection during replacement

9. Combine PV modules into strings

Added automatic strings formation function based on Array as the unit; when the quantity of strings exceeds 10,000, only the first 10,000 strings that do not meet the number of PV modules will be displayed

10. Divide power block

When freely creating power blocks, the legend list is always displayed on the left side, but the list content is not refreshed when zooming out of the view

Export power block data table with increased area statistics function, and generate range lines to be placed in the block_boundary layer

Move Transformer supports entering coordinates by pressing F4

Fix known issues with the connection type of the Transform power block

Support creating an empty transformer (without selecting strings)

The Auto create power blocks function now supports a new parameter: Divide rows in the vertical direction for the portrait division direction

11. Electrical connection Divide

Optimize the logic of positioning the adsorb cable path during the Combine device operation

When drawing a cable route, capture the perpendicular foot of the drawn line segment to the path

Electrical connection Divide - Continuously dividing, when selecting strings for the harness, right-click to complete before creating the electrical connection area

When the quantity of devices is greater than the Planned inputs and there are multiple possibilities for the quantity of devices, a specified quantity of devices can be selected for division

The Create zones, Clear route, and Clear selected buttons now support frame selection and lock set selection when the Select power block tool is invoked

Connection type 3: Automatically calculate the number of inverters based on the capacity of the transformer/inverter, and then calculate the planned inputs

12. Delete scattered arrays and batch move and copy arrays

The Array dynamic shadow setting has added a new feature that displays the "Actual Height of the Array and its Shadow on the Terrain and Array"

13. View cable tool

View cable - After modifying the Min section of the Inverter, update the Cable section and the text in the lower left corner

To prevent the improper selection of connection points for internal cables when all are arranged in a half-string Array with Both sides of the Array having outgoing cables

14. MV cable Combine

Add new ring network Combine Type

Medium voltage AUTO wiring function

When drawing a route, increase the polar axis capture points

Statistics on the length and cost of MV cables

Add Auto connect Cable route, Delete not connected to Start point, and Delete Auto add Cable route functions

Put Start point (Substation switch cabinet) and add a right-click menu, where you can set the Align Interval

Unify the color and line width of low voltage cables; switch between low voltage drawing/editing cables F3, available/restricted paths

After viewing the cable, automatically extend the cable route to the central point of the transformer and the connection point

15. Generate grounding system

Fix the error bug

16. Layout related to flexible racks

Fix the bug that causes errors

17. Device hierarchy

Export Tree Structure - Add two sheets: "Tree Structure Diagram - Transformers Only" and "Tree Structure Diagram - Without Strings"

Export Device hierarchy - When there is L2 devices in the power block, the sheet Device hierarchy - without strings has a bug where devices are missing

Export power block data table - no longer mandatory to complete Combine first

Fix the error when exporting the tree structure diagram when all are unconnected

18. Array analysis

The issue of incomplete display of the Y coordinate in the Array Count distribution diagram

Array Count adds the annual total radiation data of the Array surface and adjusts the Table

Nom. tilt azimuth - Export Detailed data for each arrays Table, add a column for projected area (m²)

The issue of not counting by array type exists in the Excel file exported directly by checking the relevant items on the Nom. tilt and azimuth - Export interface

Nom. tilt azimuth - Count terrain slope angle by Short side Orientation - Export Excel related problem fixes

19. Export dwg

Added the function of exporting satellite or aerial orthophotomap images; increased the inspection and tips for cable laying affected by cable route data

Support for exporting MV cables separately; fix issues such as exporting C2C errors

When exporting an electrical system diagram, the display of current parameters is incomplete when compatible with historical version data and multiple inverter types

Fix the issue where the Cable Laying data in the Export dwg is not filtered based on the selected power block

When "Mark only the beginning and end of each row" is checked, it supports entering a row break threshold

Optimize the function of generating contour lines from terrain

20. Export Cable list

1) Combine device - Transformer

Fix the issue where a summary table of thick/thin cables can still be exported in the Cable list when all power blocks are unconnected and not divided by Electrical connection

Fix the issue where, in some scenarios, the software does not provide a tip when there are multiple Type Combine devices with no Min size set

Fix the issue where the Min size setting does not work when using User defined Impedance in some scenarios

2) Transformer-Substation (Switching Station)

When calculating the capacity and electric current of a medium voltage circuit, the function of using transformer capacity or inverter capacity is available. Users can switch the calculation mode in "MV electrical connection capacity and cable" in Cable related 1 of User settings

The function of specifying cable section based on capacity has been added for MV cables

When using "Calculate cable section based on ampacity" for MV cables, add the function related to the "correction factor" of ampacity

Fix the bug that causes an error when exporting the cable list in some scenarios.

3) Other modifications

Optimize the performance of Calculate all cables and Export the Cable list

All cable section ranges support the use of Chinese commas as separators

All Cable models support the use of special symbols

New cable voltage withstand value strings: 22kV: 19/33; 33kV: 26/35

The MC4 Count function has been added to the Export Settings

21. Export to PVsyst

Fix the issue of exporting DAE files with interference primitives;

When exporting a specified block from DAE, filter out transformers without arrays to prevent crashes

Export the problem fixes for the Middle Voltage Point, Connection point, and MV connection box that were not exported in the previous version of Dae

22. Cost estimation

The cost library has increased 50 and 500 cross-sections for 35kV cables; fixed known errors

When calculating CPEX, it is no longer required to associate the PV zone with the Array

Fix the issue where some cable models cannot be found

23. Production Calculate

Fix the issue where the calculation of Production reports an error when all Arrays are facing north

Fix the issue of errors when calculating shading loss by component in the reverse import of items

24. Candela3D Shading Object

Added the function of quickly selecting shading objects of the same type through the right-click menu

Optimization of Create fence line generation rules and bug fix for error reporting issues

The newly added right-click menu controls whether the blades and nacelle of the fan participate in the calculation of shading range lines and shading loss

Bug with location change after rotation of fan and power tower

25. Drone module

The landform layer created during texture mapping will modify the elevation of the original mountains

26. Batch design

Update the Export template to fix the issue of incorrect rows and address related errors

27. Cable Laying Count

New cable trench-related functions have been added, currently only supporting single trench laying

Added the function of displaying the total length of the selected segment in the status bar at the bottom left corner

Cable laying material selection supports the entry of special characters

Fix the issue where cable laying calculations do not merge due to different cable orientations in non-cable route segments

Fix the issue where cable laying calculations may not be merged due to the accuracy of points and cable orientation when calculating the section for laying in pipes

Fix the issue where the tool for setting cable route laying type does not display non-cable route segments after saving and reopening the model

Fix the issue where the tool for setting cable route and laying type displays an exception after using ctrl+z to undo the operation, and reports an error after exiting the tool

Fix the bug that causes an error when applying the laying type to all blocks in some scenarios

Fix the issue where the Edit cable route segment laying material tool still displays models that fail to meet the fill rate requirement when manually setting the material type

Change Cable OD Setting to modal dialog

Optimization of Material selection line display

When entering Cable Laying or Material selection, if there is already a Laying type or Material selection, you can directly view the results without a pop-up prompt

28. Candela3D simulation

8760 Simulate calculation speeds up and reduces memory usage

The same skp uses built-in pan and ond files, so there is no need to reset pan and ond on different computers

29. Change selected arrays name

When the Array type changes, Clear the half-string Combine pairing information

30. Move/copy power blocks

After moving the transformer of the power block to the outside of the mountain, an error was reported and fixed

31. Calculate the 3D length of polylines

Polyline 3D projection - su2020 does not pop up a Tip regarding Length modification

Polyline projection to terrain: When a boundary line has only one point that can be projected to the terrain, an error is reported and fixed

32. Array split

Add Create Post for the corresponding array based on different parameters; Replace arrays and update PV zone information

33. Synchronize with CAD

Newly added synchronization function with CAD

34. Other

Optimize the loading prompt and toolbar layout of the plugin; remember the activation code entered last time

Modify the loading path of zip-related files in third-party libraries to prevent conflicts with other plugins

Modify other known bugs and related Chinese-English translations

Release notes 4.0.0