xSpider

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
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.

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

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 http//xspider.moeller.net c) to open
Spider.PDF file in PDF viewer (Spider.PDF
file is in xSpider root directory)
9
How to obtain the xSpider ?

• xSpider is available on www.moeller.net

• Direct home page adress http//xspider.moeller.ne
  t

• xSpider is provided for free via internet after
  registration

• A licence number is provided via e-mail acc. to
  the registration form

• Language versions EN, D, RU, CZ, PL, HU

• Technical support xspider_at_eaton.com

10
xSpider
11
System of work with the xSpider
12
System of work

• Main steps

13
System of work

• Main steps

14
1. Definition of project

• Start with

15
1. Definition of project

• Network and voltage system

Change of network and voltage (if it is
necessary) Default setting TN network, 230/400
V
16
System of work

• Main steps

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.
Individual components creation of wiring diagram
step by step (universal use, modifications)
Component groups quick creation of wiring
diagram (typical combinations)
Selection of type
Eg. Transformer
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

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)

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)

1. Power supply group

B) Outlet groups
22
2. Network wiring diagram

• Example of solution
• A) selection of power supply group

Inserting power supply group
Power supply groups


23
2. Network wiring diagram

• Example of solution
• B) Enlarge view Zoom window

24
2. Network wiring diagram

• Example of solution
• C) selection of outlet group

Outlet groups
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 10 - 20 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)

28
2. Network wiring diagram How to use the DEMO ?

• Modification of component properties by double
  click

Example selection of another type of transformer
29
System of work

• Main steps

30
3 Parametras of network components

• Database of components - a) direct access

Selection of Database
Selection of Type
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

Database
32
System of work

• Main steps

33
4. Calculations

• Basic calculation modes
• - calculations which are needed in all projects
  
• Voltage drops and load distribution (?Unode,
  ?Uwl, 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)

34
4. Calculations

• Selection of a calculation mode

Network calculation modes - selection
35
4. Calculations

• Check the network connection logic
• control of possible users mistakes - before
  start of any calculation

Check Network connection logic
a) OK
It is possible to continue.
b) not OK
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 60364-5-523
• Check of line protection for overload and short
  circuit according
• to IEC 60364-4-43
• 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
  60364-5-523
• Define cable installation and needed parametras
  is possible
• by double click on the cable

38
4. Calculations

• Voltage drops and load distribution calculations

Correction of displayed problematical parametras
Next calcualtion (steps 1 4) up to situation
with correct result
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)
40
4. Calculations

• Load optimalisation by use of the Operating state
  On/ Off

DOUBLE CLICK onto the device
Ics
Icu
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 Ku0.8
DOUBLE CLICK onto the device
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.
DOUBLE CLICK onto the device
Run Voltage drop and load flow calculation
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
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
49
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

50
4. Calculations

• Check of cascading optional check during
  short-circuit current calculation mode

Selection of cascading in the node
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

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)

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. Z1
  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

55
5. Tripping characteristics

• Comparison of tripping characteristics

Eg. optimalisation of selectivity between fuse
and circuit breaker by change of release settings.
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)

58
System of work

• Main steps

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

Print Preview
61
6. Results

• Save of project a) after definition of project
  (see Step 1)
• b) anytime during work
• c) after finishing project

62
xSpider
Thank you for your attention. xSpider team