26 - Control System Diagram (CSD)

7/26/2019 26 - Control System Diagram (CSD)

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Control System Diagram

1996-2010 Operation Technology, Inc. Workshop Notes: Control Circuit System


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Control System Elements

Switchgear Protection and Control Circuit

Circuit breaker trip and closing coils Circuit breaker closin s rin char in motors

Relays coils and timer

o or ar er, pee on ro , an ro ec on

Starter coil circuit

Control relays

Slide 21996-2010 Operation Technology, Inc. Workshop Notes: Control Circuit System

an e e er or con ro c rcu


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Control System Elements

Miscellaneous DC Loads

Relays Solenoids

Other Purpose Auxiliary devices and special control circuits

Regulator and regulating systems



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CSD Modes

Edit ModeAdd/Delete Elements

ange onnec ons

Modify Engineering Data

Simulation ModeRun Simulations Simulation Triggered by Manual Action or

Clicking the Run Button p a e ource u y yc e

Generate Event View, Alert View, and Report



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CSD Setup

CSD ElementsDevice Coil, Solenoid, General Load and Light

Contact Fixed and Form-C; Macro-Controlled Contact

Branch Wire and Impedance

Bus and Node

PD CB and Fuse

CSD Source

Elementary Diagram (ED) brought in from DC System



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Control Cable Schedule

Control Cable ScheduleCable Used only in Control System Diagram

Can Have Multiple Wires for Different Wires in CSD

Assigned, Reserved, and Available Wire

Parameter Entered from Editor or Retrieved from Library

Parameter Change Affects All Wires

Wire Impedance Value

Editor Entered Data a e rary a a a a as e n a e ec on me

Control Cable Schedule Data Dynamically Retrieved from

Cable Schedule

from Library at Calculation Time



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Device Property

Device RatingBurden Rating and Inrush Rating

Burden Rating Can be Constant P, Z, or I

Inrush Rating Always Modeled as Constant Z

Inrush Duration length of Time Applying Inrush Rating

Vpickup & Vdropout Editor and Study Case Options

Device Duty Cycle

Model Device as a Time Varying Load , ,

Device Model Type

If Duty Cycle Is Used, a Device Draws Current When It is

Energized and Amp > 0 by Duty Cycle



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Simulation Method

wo et o s ySequence of Operation Simulation

Sequence Simulation with Vd Calculation

Features SeqOp

Vd

Logical Simulation Y Y

Voltage Drop Calculation and Reporting N Y

CSD Source Volta e N Y

Vpickup & Vdropout Checking & Reporting N Y

Composite CSD Duty Cycle Updating N Y


As Part of Battery Discharge Calculation N Y


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Duty Cycle Update

Composite CSD Duty Cycle UpdateUpdate to the Specified Duty Cycle Category

Initial Time Shift to Set to New Time Reference

CSD Source VoltageModeled as Constant Voltage Source for a Time Moment

not Saved When Closing Project

Time Offset for Adjusting Time Reference



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26 - Control System Diagram (CSD)

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