[PPT] - Procera Plus Design, Drawing and calculation software for PowerPoint Presentation

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Procera Plus

GE Consumer & Industrial Power Protection

Design, Drawing and calculation software for industrial low voltage installations including distribution circuits

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ProceraPlus The new HD384 and R064-03 standards require that the design of a low voltage distribution system includes the determination of all perspective short-circuit and fault current levels.

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ProceraPlus

Cross section of conductors
Fault levels
Switchgear selection
Draw single line diagram

ProceraPlus is a software to design & calculate

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ProceraPlus

In Procera Plus a project is entered starting at the Upstream device (source supply ) moving to Downstream (end-user circuits) This method is used to determine the protective devices and cable cross-sections First the source must be defined, then the distribution circuits and finish by end-user's circuits. In Procera Plus, any circuit, distribution board or end-user circuit can be changed at any time.

From transformer to end-user circuits

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ProceraPlus

Network tree Single line diagram Results window Report Menu

Software Interface

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ProceraPlus Pull Down Menus

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ProceraPlus

Easy data entry on a single line network diagram Select the circuit style Select the distribution Board

Software Interface

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ProceraPlus

Easy control of data entry, parameters and results Consumption Length Calculate Protection

Software Interface

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ProceraPlus

A software which automaticaly prints a complete file

Software Interface

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ProceraPlus

Starting Procera Plus you will get this window . To start a project press “New”…

Getting Started

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ProceraPlus

There are three possible choices :

Transformer HV-LV
Genset
Direct supply from

utility board (LV direct

Project Started – Type of Source

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Transformer They can be entered: a) from a file giving sources impedances and standard Powers or, b) from Ukr, short circuit voltage in % for transformers, equivalent to impedance

Project Started – Source Characteristics

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ProceraPlus

Genset: They can be entered : a) from a file giving sources impedances and standard powers or, b) steady state and transient reactance, given in % to define generating sets.

Project Started – Source Characteristics

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ProceraPlus

Standarised power of the source characteristics are given from a file . Power value can be entered as "not normalized" if Ukr was chosen

Project Started – Source Power

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ProceraPlus

In ProceraPlus, all sources are considered as identical. This data is used to determine Ikmax, which makes it possible to propose downstream protective device in case of paralleling of several

transformers. Ik mini are calculated

taking into account the minimum number of sources in parallel.

Project Started – Number of Sources

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ProceraPlus

Earthing system: TN, TT, IT
LV opearting voltage
Frequency
3 phase , single phase
HV protection time
HV system power

Project Started – Network Parameters

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ProceraPlus

Length
Installation method
Copper , aluminum
Cable type

Project Started – Link Parameters

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ProceraPlus

Length
Installation method
Copper , aluminum
Cable type

Project Started – Link Parameters

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ProceraPlus

To check installation method press: .

Project Started – Link Parameters

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Getting results:

Press Calculate to get results

cable cross section
Fault levels

.

Project Started – Getting First Results

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ProceraPlus

+

Result Window Press OK to go further

Project Started – Getting First Results Result window

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Criterion Theoretic Cross Section Max Short Circuit Current Min Short Circuit Current Design Circuit current Voltage Drop Max 1Ph SC Current Ph-E Fault Current (needed for human protection) Cable Cross-section

Calculated for minimum number of sources Calculated for minimum number of sources

Results window

Project Started – Getting First Results

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ProceraPlus

Getting first results Diagram with results for first part of circuit is available Colours of diagram

Green- OK Red- must be calculated Purple- NOK

Project Started – Getting First Results Diagram

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ProceraPlus

Project Tree Project single line diagram Calculation report Active Source Distribution Active board Consumption Available current Results

Creating Project– Reading Information

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ProceraPlus

Using Tabs

Defining Source the “ Source” Tab was used. What other Tabs can we use? .

Creating Project – Using Tabs

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Loop impedances upstream MSB and related to

ne

single

transformer. These values are the

sum of impedances.

.

Creating Project – Using Tabs Impedance Tab

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ProceraPlus

R0 Phase-Phase - Loop resistance Phase to Phase (equals to 2 times one phase resistance), calculated at 20°C conductors temperature. This value is used to determine the maximum short circuit currents (Ik Max). R1 Phase-Phase Loop resistance Phase to Phase (equals to 2 times one phase resistance), calculated at operating temperature. This value is used to determine among others the minimum short circuit currents (Ik Min). X Phase-Phase Loop reactance Phase to Phase. This value is used to determine minimum short circuit currents (Ik Min). X Phase Phase reactance. This value is used to determine maximum short circuit currents. R0 Phase-Neutral Loop resistance Phase to Neutral, calculated at 20°C conductors temperature. This value is used to determine the maximum short circuit current (Ik Max SIngle). R1 Phase-Neutral Loop resistance Phase to Netral, calculated at operating temperature. This value is used to determine among others the minimum short circuit current (Ik Min Single). X Phase-Neutral Loop reactance Phase to Neutral. This value is used to determine minimum short circuit current (Ik Min

Creating Project – Using Tabs Impedance Tab

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Ref mark Board Downstream Ref mark –Editable
Designation Board name (data recommended for ease of

identification). –Editable

Coincidence factor (K.Simultaneity) Simultaneity factor

for circuits fed by the considered board. -Editable Example : a distribution feeds 10 circuits of 10 Amps each. A Simultaneity factor of 0.8 means that the total real consumption is 10 x 10 x 0,8, to say 80 Amps.

Earthing system Board Earthing system : TT, TN, IT
Voltage ,No load voltage No load voltage in V, used to

calculate Ik3 Max.

Upstream circuit ref mark Circuit Upstream ref mark. In

case of an installation with a standby, the board can be fed by two different circuits. An upstream circuit supplied from the normal supply and another one from the standby source supply.

Breaking device

Board breaking device (generally a switching device in distribution boards). -Editable

Creating Project – Using Tabs Board Tab

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This tab appears if the Breaking device on Board Tab differs from “NIL”

File Protection manufactuers file.
Protection Protective device commercial name.
Rating Circuit breakers rating.
Irth Circuit breaker thermal relay setting or fuses rating

value.

IrMg Circuit breaker magnetic setting or fuses rating value.
Magnetic Type of magnetic used Standard or C curve for

modular CrBrk Low or B curve Electronic or D/K curve

Delay Circuit breakers short circuit delay
RCD setting Circuit breakers residual current (differential)

delay setting. RCD Delay Circuit breakers residual current differential) delay.

Creating Project – Using Tabs Protection Tab

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A UPS can be connected either on a Normal or

Standby distribution.

A comparison between Ik is done to keep the

least favorable one (Ik max on the network, Ik min on the UPS). The process is inverted when Normal source Ik Min become less than UPS

nes.

UPS are considered as current generators. Due to that, Ik are unchanged along the network

tree. The UPS is always considered as

connected in "By-Pass"mode.

.

Creating Project – Using Tabs UPS Tab

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Normal and standby short circuit currents at board level.
IK2/3 Max Maximum three-phase short circuit current.

Maximum value between Normal and standby if it exists. IK1 Max Maximum single-phase short circuit current if neutral is present. Maximum value between Normal and standby if it exists.

Ik1/2Min Minimum single-phase short circuit current if

neutral is present. biphase (phase to phase) if neutral is absent.

If Phase-PE default short circuit current at line end.

Minimum value between Normal and standby if it exists.

dU Cumulated voltage drop (in %) at board level from

source of

.

Creating Project – Using Tabs Ik/dU Tab

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I Allowed -allowed current downstream board. This value

is equal to the current of the circuit feeding the board.

I available -available current downstream board :

available design current for new circuits which can still be fed from the board.

S Intensities -design current IB sum of all circuits issued

from the board multiplied by the board simultaneity factor.

Mean cos phi -mean power factor phi at board level,

taking into account downstream circuits and eventual capacitors.

R=S IZ cables / Irth board -ratio between:

sum of currents of downstream circuits (current calculated without taking into account group factor) and upstream thermal relay setting.

Creating Project – Using Tabs Currents Tab

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Board Tab

You can display the Board window by:

In the Source Window by clicking on the Downstream

Board Tab.

Double-clicking board on diagram
Going to Pull down menu- Distributions Information

.

Creating Project – Using Tabs Board Tab

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ProceraPlus Creating Project – Source Has Been Defined

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Mains (N) & Stand-by (S) source have been defined