1. xSpider

2. General information
The xSpider is a graphically oriented design software
for dimensioning low-voltage networks fitted with protective devices of Eaton brands.

3. General information The xSpider is intended primarily
for designers, computational and
checking engineers
Design of networks TN/TT/IT
of various voltage systems up to 1000 V
Design of radial or meshed networks
Design of networks supplied from one or more different power sources
All calcualtions are based on IEC standards (voltage drops, load distribution, short-circuits, impedances)

4. General information User-friendly interface allowing
easy and fast design
Independent software requiring only the operating system of Windows95/98/NT/2000/XP or Vista
User operation similar to standard CAD systems (eg. AutoCAD)
Available free of charge after registration via internet

5. General information xSpider software provides needed calculations:
voltage drops (DU)
load distribution (nominal load In / overload)
short-circuit currents (Ik“, Ikm , ….)
carries out check of suitability of cables (In, I, …)
carries out check of suitability of protection devices
calculation of impedances (Zv, …)
etc. 5

6. General information Tree structured database for all needed components
Graphical comparison of tripping characteristics
Evaluation of selectivity betweem devices in the network
Evaluation of selectivity between incoming and outgoing devices according to tables from catalogue 6

7. General information Export of graphics (drawings)
- to DXF format (suitable for CAD systems, like AutoCAD)
Print of graphics on different papier size
- A5, A4, A2, A1, A0
Print of tables with results
- direct print on a papier (A4)
- export to Excel data format

8. Do you need more information ?
Reference manual:
- electronic version is a part of each installation (PDF format )
- PDF viewer (eg. Adobe Reader must be installed)
How to show the Reference manual:
a) during work with the xSpider software
by clicking on the icon
b) downloading from web, independent use
c) to open Spider.PDF file in PDF viewer
(Spider.PDF file is in xSpider root directory) 8

9. How to obtain the xSpider ?
xSpider is available on:
Direct home page adress:
xSpider is provided for free via internet after registration
A licence number is provided via – acc. to the registration form
Language versions: EN, D, RU, CZ, PL, HU
Technical support:

10. xSpider 1 2 3 4 5

11. System of work with the xSpider

12. System of work Main steps: 1: Definition of project
6: Results
1: Definition of project
2: Network wiring diagram
3: Parametras of network
4: Calculations
5: Tripping characteristics
Všeobecné vlastnosti
- zadání všeobecných parametrů sítě (napětí, soustava, ...)
Schéma sítě
- zadání struktury sítě
Parametry obvodu
- zadání parametrů zátěže, délky kabelu, sběrnic a přípojnicových systémů
Součet výkonů
- výpočet požadovaného výkonu a aktuálních proudu rozvodu
Výpočet
- průřezu kabelu, zkratových proudů, úbytku napětí, volby přístrojů, ...
Výsledky
- tisk vstupních / výstupních parametrů použitých pro výpočet 12

13. System of work Main steps: 1: Definition of project
6: Results
1: Definition of project
2: Network wiring diagram
3: Parametras of network
4: Calculations
5: Tripping characteristics
Všeobecné vlastnosti
- zadání všeobecných parametrů sítě (napětí, soustava, ...)
Schéma sítě
- zadání struktury sítě
Parametry obvodu
- zadání parametrů zátěže, délky kabelu, sběrnic a přípojnicových systémů
Součet výkonů
- výpočet požadovaného výkonu a aktuálních proudu rozvodu
Výpočet
- průřezu kabelu, zkratových proudů, úbytku napětí, volby přístrojů, ...
Výsledky
- tisk vstupních / výstupních parametrů použitých pro výpočet 13

14. 1. Definition of project Start with New project
Open already existing project
Open DEMO

15. 1. Definition of project Network and voltage system 1 2 3
Change of network and voltage (if it is necessary)
Default setting: TN network, 230/400 V 3

16. System of work Main steps: 1: Definition of project
6: Results
1: Definition of project
2: Network wiring diagram
3: Parametras of network
4: Calculations
5: Tripping characteristics
Všeobecné vlastnosti
- zadání všeobecných parametrů sítě (napětí, soustava, ...)
Schéma sítě
- zadání struktury sítě
Parametry obvodu
- zadání parametrů zátěže, délky kabelu, sběrnic a přípojnicových systémů
Součet výkonů
- výpočet požadovaného výkonu a aktuálních proudu rozvodu
Výpočet
- průřezu kabelu, zkratových proudů, úbytku napětí, volby přístrojů, ...
Výsledky
- tisk vstupních / výstupních parametrů použitých pro výpočet 16

17. 2. Network wiring diagram
First of all it is necessary to have an idea about required network wiring diagram (acc. to the existing project)
The wiring diagram is taken as a pattern for creation of the final wiring diagram with use of xSpider
Any existing network wiring diagram, which was created by the xSpider, can be quickly modified acc to new needs

18. 2. Network wiring diagram
Sources
Lines
Breakers
Outlets
Cap.
Component groups: quick creation of wiring diagram (typical combinations)
Individual components: creation of wiring diagram step by step (universal use, modifications) 1
Eg. Transformer
Selection of type 3 2 4
Database

19. 2. Network wiring diagram
Network nodes are created automatically
Use of: Supply network, Generator, Transformer
Possibility to use more sources in any possitions
Radial network
Meshed network
Circle network
Line with supply from one side

20. 2. Network wiring diagram
Standard functions used for graphics editing:
Copy, Move, Erase, Stretch
Standard functions for display control:
Zoom, Pan
Possibility to add free graphics:
Line, Circle, Rectangle, Text
Option to transfer an object among projects by means of the clipboard
Possibility to switch between more open projects (Windows) 20

21. 2. Network wiring diagram
Example of solution: the wiring diagram can be prepared with
a) individual compoments or
b) with use of pre-defined groups of components (this si reccomended way)
Power supply group
B) Outlet groups 21

22. 2. Network wiring diagram
Example of solution:
A) selection of power supply group 1
Inserting power supply group 2
Power supply groups 3

23. 2. Network wiring diagram
Example of solution:
B) Enlarge view Zoom window 1 3 2

24. 2. Network wiring diagram
Example of solution:
C) selection of outlet group 1 2
Outlet groups 3
Inserting

25. 2. Network wiring diagram: How to use the DEMO ?
In a case the user wants to start with
calculation in a short time, it is reccomended
to use some of DEMO pre-defined wiring diagrams.
How to do it:
1. Open some of DEMO by click on icon
2. Modify properties of components by double click onto the relevant component
With use of modified drawing (Erase of componets
or change of operational status of devices On/Off) and after modification of parametras according to needs (Database) it is possible to start with calculation within minutes !!

26. 2. Network wiring diagram: How to use the DEMO ?
Using a suitable DEMO (pre-defined wiring diagrams) - quick way for instant work with the xSpider
A) After each opening xSpider B)
B) To click onto the icon DEMO A)

27. 2. Network wiring diagram: How to use the DEMO ?
Selection of a suitable DEMO
List of all Demos - see Reference manual (Part III, Chap. 25.3) 27

28. 2. Network wiring diagram: How to use the DEMO ?
Modification of component properties by double click
Example: selection of another type of transformer 5
Double click onto the symbol of transformer
Click on Database button
Select new group from database tree
Select new item from data table
Click on Insert button
Click on OK button 1 2 3 4 1 3 2 4 5

29. System of work Main steps: 1: Definition of project
6: Results
1: Definition of project
2: Network wiring diagram
3: Parametras of network
4: Calculations
5. Tripping characteristics
Všeobecné vlastnosti
- zadání všeobecných parametrů sítě (napětí, soustava, ...)
Schéma sítě
- zadání struktury sítě
Parametry obvodu
- zadání parametrů zátěže, délky kabelu, sběrnic a přípojnicových systémů
Součet výkonů
- výpočet požadovaného výkonu a aktuálních proudu rozvodu
Výpočet
- průřezu kabelu, zkratových proudů, úbytku napětí, volby přístrojů, ...
Výsledky
- tisk vstupních / výstupních parametrů použitých pro výpočet 29

30. 3: Parametras of network components
Database of components - a) direct access 1
Selection of Database
Selection of Type 2 4 4 5 3
The tree structured database is built as open-ended. Each user can create own database – User defined.

31. 3: Parametras of network components
Database of components - a) use of individual icons
Supply network
Generator
Transformer
Switchboard busbar
Cable
Busbar trunking system
Circuit breaker
Fuse, Fuse disconnector
Switch disconnector
Motor
Load
Compensation unit
Selection of type in the tree structured database 3 1
Database 2 4

32. System of work Main steps: 1: Definition of project
6: Results
1: Definition of project
2: Network wiring diagram
3: Parametras of network
4: Calculations
5. Tripping characteristics
Všeobecné vlastnosti
- zadání všeobecných parametrů sítě (napětí, soustava, ...)
Schéma sítě
- zadání struktury sítě
Parametry obvodu
- zadání parametrů zátěže, délky kabelu, sběrnic a přípojnicových systémů
Součet výkonů
- výpočet požadovaného výkonu a aktuálních proudu rozvodu
Výpočet
- průřezu kabelu, zkratových proudů, úbytku napětí, volby přístrojů, ...
Výsledky
- tisk vstupních / výstupních parametrů použitých pro výpočet 32

33. 4. Calculations Basic calculation modes:
- calculations which are needed in all projects
Voltage drops and load distribution (ΔUnode, ΔUwl, Inode, Iwl)
3-phase symetrical short-circuit current (Ik3p“, Ikm)
1-phase asymetrical short current and tripping time (Ik1p“, Ttr)
B. Additional calculation modes:
- advanced possibilities for more detailed information
2-phase symetrical short-circuit current (Ik2p“, Ikm)
calculation of impedances (Zsv, Z1, Z0)
the complex expression of results
(real and imaginar compoments of currents and impedances) 33

34. 4. Calculations Selection of a calculation mode 1 2 3
Network calculation modes - selection 2 3

35. 4. Calculations Check the network connection logic
control of possible user‘s mistakes - before start of any calculation
Check Network
connection logic 1 2
a) OK 4
It is possible to continue.
b) not OK 3
It is necessary to correct the displayed mistake(s) and repeat the check once again !!

36. 4. Calculations
Voltage drops and load distribution mode: possibilities:
Check, if voltage drop does not exceed the user-defined maximum value
Simultaneous factor is considered in radial networks
Load distribution in the network branches
Check of correct dimensioning the circuit protection equipment and conductors according to IEC
Check of line protection for overload and short circuit according
to IEC
Power factor calculation – optimalisation of compensation

37. 4. Calculations
Voltage drops and load distribution mode: setting conditions:
The xSpider respects all actual conditions of IEC
Define cable installation and needed parametras is possible
by double click on the cable

38. 4. Calculations Voltage drops and load distribution: calculations 1 2
Correction of displayed problematical parametras 2 3
Next calcualtion (steps 1– 4) up to situation with correct result 4
red colour of text = problem

39. 4. Calculations
Voltage drops and load distribution: display of results
eg. as the 3-phase outlets
Component with error: current Iwl in the line is higher than In of the cable
Voltage drop in the line (dUwl)
Load in the line (Iwl)
Voltage drop in the node (dUnode)
Load in the node (Inode) 39

40. 4. Calculations
Load optimalisation by use of the Operating state On/ Off 1 2
DOUBLE CLICK onto the device
Ics
Icu 3

41. 4. Calculations
Load optimalisation by use of the utilization factor Ku
Can be defined for loads (motor, general load)
Example for motor application: 7.5kW motor fitted in the project, with maximum 80% load during ordinary operation – utilization factor Ku=0.8 1
DOUBLE CLICK onto the device 2 3

42. 4. Calculations
Load optimalisation by use of the simultaneous factor Ks
Can be defined for nodes (Switchboard trunk component)
Defines the simultaneousness of consumptions from the node (ratio between the number of devices in operation and the total number of devices) Taken into account only with radial networks. 1
DOUBLE CLICK onto the device 4
Run Voltage drop and load flow calculation 2 3

43. 4. Calculations Short currents in the low voltage network
Conditions in the TN system
during of 1-phase short current
to the earth (asymmetric short current, Ik1p“)

44. 4. Calculations 3-phase short-circuit current mode: possibilities
Prospective maximal short-circuit current
during 3-phase symmetrical fault Ik3p“
Calculation according to IEC 60909
Check of faults:
a) in all nodes - global overview about situation in the network
b) in the selected node - optimalisation of network, focuse to the selected problematical details
Check of correct dimensioning:
- breaking capacity of circuit breakers (Icu, Ics)
- withstand current of conductors (Icw)

45. 4. Calculations 3-phase short-current circuit mode: parametras
Ik“ - Initial impulse short-circuit current:
the r.m.s. value of symmetrical short-circuit current without the direct-current component
at the time of the short-circuit formation.
Ikm (ip) - Peak short-circuit current:
the first amplitude (peak value) of the asymmetric short-circuit current with the DC component (iss).
Ike - Thermal equivalent short-circuit current: the r.m.s. value equivalent or imaginary symmetric (balanced) short-circuit current value
Ik - Steady-state short-circuit current:
the effective (symmetric) short-circuit current value after all the transient components disappear. In a case of electrically remote short-circuits (the majority of cases in practice), it equals to the initial impulse short-circuit current Ik“

46. 4. Calculations
3-phase short-circuit current: a) check the entire network in all nodes
Selection of the calculation mode 1 2 3 1 2 3 6 8 9 4 5 7

47. 4. Calculations
3-phase short-circuit current: a) display of results in all nodes
Zoom

48. 4. Calculations
3-phase short-circuit current: b) check in the selected node
Selection of the calculation mode 1 2 3 4 9 5 6 1 8 2 3 7 4

49. Limited current (max. value)
4. Calculations
Cascading – a solution where the first c.b. (1) is able to reduce a short current value to level which can be switched-off by the second c.b. (2)
Checking the breaking capacities of the outgoing protective devices with respect to the breaking capacity of incomming protective components
Prospective short current (effective value)
Limited current (max. value)
Let-through energy I2t t i
Icu1 = 50 kA
Icu2 = 15 kA
Itr = 30 kA
Example:
Ik“ = 25 kA

50. 4. Calculations
Check of cascading: optional check during short-circuit current calculation mode 1 2 3 4
Selection of cascading in the node 5

51. 4. Calculations
Selectivity function to evaluate the selectivity of circuit-breakers based on selectivity tables specified in the catalogue
A) comparison of both circuit-breakers selected from the database 1 2 3 4 5

52. 4. Calculations
Selectivity function to evaluate the selectivity of circuit-breakers based on selectivity tables specified in the catalogue
B) comparison of circuit-breakers in the project
(cascade must be defined for every network node) 3 1 2

53. 4. Calculations 1-phase short-circuit current: display of results
Check of faults:
a) in all nodes – RM-1.1, Z1, ...
global overview about network
b) in the selected node – eg. Z optimalisation of problem details
Ttr disconnection time of protective devices
(check of compliance with
the requirements of IEC 60364)
Ik1p“ 1-phase asymetrical
short-circuit current
(minimal short-circuit current)
Node with value of short-circuit current

54. System of work Main steps: 1: Definition of project
6: Results
1: Definition of project
2: Network wiring diagram
3: Parametras of network
4: Calculations and optimalisations
5: Tripping characteristics
Všeobecné vlastnosti
- zadání všeobecných parametrů sítě (napětí, soustava, ...)
Schéma sítě
- zadání struktury sítě
Parametry obvodu
- zadání parametrů zátěže, délky kabelu, sběrnic a přípojnicových systémů
Součet výkonů
- výpočet požadovaného výkonu a aktuálních proudu rozvodu
Výpočet
- průřezu kabelu, zkratových proudů, úbytku napětí, volby přístrojů, ...
Výsledky
- tisk vstupních / výstupních parametrů použitých pro výpočet 54

55. 5. Tripping characteristics
Comparison of tripping characteristics
Eg. optimalisation of selectivity between fuse and circuit breaker by change of release settings. A B

56. 5. Tripping characteristics
Release setting
Adjustable parametras - acc. to the type of protective device

57. 5. Tripping characteristics
Tripping units of MCCBs (NZM type)
- A type Ir
AE type Ir Ii
M type Ir Ii
ME type Ir tr Isd
VE type Ir tr Isd tsd Ii (I2t - on/off)
- ME
Load characteristic of engine
I2t - on
I2t - off
-VE

58. System of work Main steps: 1: Definition of project
6: Results
1: Definition of project
2: Network wiring diagram
3: Parametras of network
4: Calculations and optimalisations
5: Tripping characteristics
Všeobecné vlastnosti
- zadání všeobecných parametrů sítě (napětí, soustava, ...)
Schéma sítě
- zadání struktury sítě
Parametry obvodu
- zadání parametrů zátěže, délky kabelu, sběrnic a přípojnicových systémů
Součet výkonů
- výpočet požadovaného výkonu a aktuálních proudu rozvodu
Výpočet
- průřezu kabelu, zkratových proudů, úbytku napětí, volby přístrojů, ...
Výsledky
- tisk vstupních / výstupních parametrů použitých pro výpočet 58

59. 6. Results The list of unsuitable components is displayed immediately
after performing the calculation and it can be printed out.
The calculated values for the individual components are displayed in the network wiring diagram. It can be printed on any output device for which a driver is available in the Windows (printer, plotter).
The list of components with the calculation results - possibility to print tables.
The list of components with their parameters - possibility to print tables including the list of cables.

60. 6. Results
Print of the last calculation: eg. 3-phase short-circuit current 1 3
Print Preview 2 4

61. 6. Results
Save of project: a) after definition of project (see Step 1)
b) anytime during work
c) after finishing project 1 2 3

62. Thank you for your attention.
xSpider
Thank you for your attention.
xSpider team