decs_250_Basler_Excitation_Systems

8/10/2019 decs_250_Basler_Excitation_Systems

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DECS-250 and DECS-250N

Digital Excitation Control System


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Presentation Outline

Introduction Product features Protection Metering Communications

NEW Environmental / Agency / Testing

Software Ordering DECS-200 compatibility Sales


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Introduction Product features

Protection

Metering

CommunicationsNEW

Environmental / Agency / Testing

Software

Ordering DECS-200 compatibil ity

Sales


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Introduction

The DECS-250 and DECS-250Nare Basler Electrics newest

high performance digital

excitation control systems.

High performance,feature packed design

Exceptional regulation performanceand transient response

Complete system solution in a reliable,cost effective package


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Introduction Product features Protection Metering

Communications NEW Environmental / Agency / Testing

Software

Ordering DECS-200 compatibility Sales


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Standard Features

Feature loaded microprocessor design Two power stage options available:

15A PWM DECS-250

20A Negative forcing SCR DECS-250N

Abundant communications Extremely flexible

Extensive microprocessor and memory capabili ties

Expandable I/O capabil ity

Compatible with BESTCOMSPlus PC software


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More Standard Features

AVR/FCR/FVR/VAR control/PF control On-Line/Off-Line Over Excitation Limiters (OEL)

OEL with temperature compensation(via a transducer input or AEM-2020 module)

Stator Current Limiter (SCL) Temperature compensated SCL(via a transducer input or AEM-2020 module)

Under Excitation Limiter (UEL) with plottable points

VAR limiter Voltage matching

Internal tracking between operating modes


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Real t ime monitor (str ip chart recorder) Oscillography (wave form capture)

Sequence of Events Recording

IRIG-B (time sync function)

Soft start

Generator protection

Generator metering

Large amount of contact I/O Expandable I/O via J1939 CANbus


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Auxiliary input (10Vdc or 4-20mA)

Front Panel HMI via LCD and pushbuttons

Communications

USB for PC programming RS-485 (Modbus protocol)

Ethernet (100 baseT)

Output Power Stages:

PWM based 15 Adc rated (DECS-250) SCR based 20 Adc rated with negative forcing

(DECS-250N)


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Sensing Options

Single and three phase selectable voltagesensing on both bus and generator

120V / 240V / 480V or 600V nominal sensing

Single or three phase selectable

current sensing 1A or 5A nominal inputs

4 CT inputs


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Inputs/Outputs (I/O)

Contact I/O (16) Contact inputs

(12) Contact outputs (7Adc)

Expandable Contact I/O (Optional)

CEM-2020 (10) inputs, (12) 1A gold, (12) 7A

CEM-2020H (10) inputs, (12) 2A gold, (6) 10A


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Inputs/Outputs

CEM-2020

All Additional I/O can be programmed throughBESTCOMSPlus

Single Module may eliminate addit ional controlrelaying or PLC

Communicate via CANbus for remote mounting


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Analog Inputs/Outputs

Expandable Analog I/O AEM-2020 (Optional) (8) Inputs, programmable for 4-20mA

or 0-10Vdc

(8) RTD Inputs 10 or 100 Ohm

(2) K Type thermocouple inputs (4) Outputs, programmable for 4-20mA

or 0-10Vdc


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Analog Inputs/Outputs

Expandable Analog I/O AEM-2020Allows additional monitoring and protection

to be implemented within the DECS-250 logic

Temperature monitoring

Limiter scaling

Winding and bearing temperature

Analog inputs

Vibration / pressure transducers

System monitoring


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Auto-Tuning Software

PC software automatically selects PID values Reduces test/setup time

Maximizes generator performance


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Auto-Tuning Software

Auto tuning allows for unit to retrieveexcitation parameters and calculate system

gains.

Auto tune works by implementing a series

of step responses and adjusting gainsaccordingly


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Auto Tune

PID Design Mode:a) Pole Zero Cancellation

b) Pole Placement

Power Input Mode:

a) PMG External

b) Shunt


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Auto Tuning Screen


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PID Gain

Now all gains are in PU to make the parameterseasier to integrate into math models

Ka is the new loop gain, which is nowreferred to as the voltage regulator gain

(Kg is no longer used)


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Generator Protection

Loss of sensing Over/Under voltage

Over/Under frequency

Reverse power

Reverse Vars

Sync check

Two settings groups for all settings


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Field over voltage Field over/under current

Loss of PMG voltage

Rotating diode monitor

Crowbar activated (DECS-250N)

Watchdog

Softstart Limiter

V/Hz Limiting

More Generator Protection


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Configurable Protection

Allows the user to add custom protectionfunctions

Adds four thresholds per function

Adds arming and activation delays to each

configurable element Any monitored analog parameter can be used

as function.


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More Configurable Protection

Up to eight configurable protection elementscan be added.

Includes inputs from the AEM-2020 AnalogExpansion Module:

(8) Aux Inputs (4-20mA or 0-10Vdc)(8) RTDs (10 or 100 Ohm)

(2) Thermocouples (K Type)


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Protection Screen


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Metering, Generator

Three Phase GeneratorVoltage

Generator Frequency

Power Factor

Three Phase Generator

Current KVAR per Phase and Total

KW per Phase and Total

KVA Per Phase and Total

KWH

KVAH

KVARH

Phase Angle between GenVoltage and Current

Auxiliary Input Voltage orCurrent

Tracking Error

Set point Position Indication

Excitation Current and Voltage

Exciter Diode Ripple Level


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Metering, Bus

Sync Angle

Slip Frequency

Three Phase Bus Voltage

Bus Frequency


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New Features

Integrated PSS (Optional)

Auto tuning

Reactive load sharing via Ethernet

Automatic synchronizing (Optional)

BESTCOMSPlus(Programmable Logic/Configurable Protection)

Increased I/O

Expandable I/O


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More New Features

Three phase stator current limit

Auxiliary input from 10Vdc or 4-20mA

On-Line/Off-Line Over Excitation Limiter

J1939 CANbus for expansion modules

Ethernet 100 Base T or F(includes load sharing via ENET)

Profibus communication

USB communications


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Environmental

-40 to 70 C (DECS-250 operating)

-40 to 60 C (DECS-250N operating)

-40 to 85 C (storage)

5Gs, 18-2000 Hz vibration

15Gs shock

Moisture resistance per MIL-STD-705B,Method 711-1C

Salt Fog per MIL-STD-810E Method 509.3


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Agency Approvals

UL 508

CSA

CE

DNV (Det Norske Veritas)

BV (Bureau Veritas) - pending

GL (Germanischer-Lloyd) - pending


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HALT Testing

Highly Accelerated Life Testing Identifies design areas to re-evaluate

Accelerated simultaneous shock/vibe

Elevated temperature testing

6 axis simultaneous vibration

60C/Min change in temperature possible


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HALT Testing

Temperature extremes: -100C to 130C Multiple cycles of a rapid rate of change

from -80C to 90C and from 90C to -80C

with a dwell of roughly 15 minutes at

each extreme Vibration extremes: 50 Grms


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HALT Testing

Vibration duration: 10 Grms steps,increasing to 50 Gs for 9 hours

Combined vibration and temperature

Ramp from -80 to 90C in 10 minutes,

every hour Ramp vibration to 50 Gs every hour


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HALT Testing


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HALT Testing


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Introduction

Product featuresProtection

Metering

Communications

NEW


Software Ordering

DECS-200 compatibil ity

Sales


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BESTCOMSPlus

Latest Basler PC software format Enhanced metering

Faster, more intuitive setup

More sophisticated event recording,oscillography, SER

Programmable logic

Remote I/O configurations

Auto-Tuning software


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BESTCOMSPlus, Control Panel


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BESTCOMSPlus, System Status


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BESTCOMSPlus,AVR/FCR/FVR


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BESTCOMSPlus, Logic


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Optional Features

Ethernet 100 Base F External tracking between dual units

Integrated power system stabil izer

Profibus Auto synchronizing

Compression or spring type terminals(removable)


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Introduction


Metering

Communications

NEW


Software

Ordering DECS-200 compatibil ity Sales


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Style Chart, DECS-250

DECS-250

MODEL NUMBER STYLE NUMBER

Power Supply

L) 24/48 Vdc

C)120 Vac/125 Vdc

Terminals

S) Spring type

C) Compression type

Synchronizer

N) None

A) Auto synchronizer

1 Communication ProtocolST

1) 100Base-T Ethernet

2) 100Base-F Ethernet

2 Communication ProtocolN D

N) None

P) PROFIBUS

Autotracking

1) Internal

autotracking only

2) Internal/external

autotracking

PSS

N) None

P) Power system stabilizer

NOTE

Compression type terminals are available for the current

sensing (CT) inputs, operating power input, and power output

connections only.

1

1


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Style Chart, DECS-250N

DECS-250N

MODEL NUMBER STYLE NUMBER

Terminals

S)Spring type

C)Compression type

Synchronizer

N)None

A)Auto synchronizer

2 Communication ProtocolND

N)None

P)PROFIBUS

Input Power Frequency

1)Low (50 to 150 Hz)

2)High (151 to 420 Hz)

3)High Voltage (480 Vac

at 50/60 Hz)

PSS

N)None

P)Power systemstabilizer

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1 Communication ProtocolST

1)100Base-T Ethernet

2)100Base-F Ethernet

Power Supply

L)24/48 Vdc

C)120 Vac/125 Vdc

NOTES

2

A DECS-250N with style XX3XXXX accepts 480 Vac operating

power at 50/60 Hz to provide a 250 Vdc nominal power output.

Compression type terminals are available for the current

sensing (CT) inputs, operating power input, and power output

connections only.

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2


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DECS-200/DECS-200N Compatibility

Same dimensions as DECS-200Front panel

Rear panel dri lling

Cutout and drilling

Escutcheon Plate available forDECS-200N dimensions

Terminal locations in similar locations


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DECS-200/DECS-200N Compatibility

External Tracking compatible DECS-200 = DECS-250

DECS-200N = DECS-250N

Same as DECS-200

Default logic Legacy Modbus registers

Application Note available


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Introduction


Metering

Communications

NEW


Software

Ordering

DECS-200 compatibil ity

Sales


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Competition

ABB Unitrol 1020

Unitrol 1000-15

Brush

Prismic

Leroy Somer

Kutai

Rievax


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Competitive Advantages

Basler Electrics acceptancein the market - DECS-200

Ease of use BESTCOMSPlus

Flexibility BESTlogic

Configurable protection

Configurable elements Configurable alarms


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Auto tuning

Automatically sets PID gains for optimalperformance

Makes tuning easier for the user

Pole placement or pole zero calculations Reduces commissioning time

Saves on cost during commissioning


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Reactive Load Sharing over Ethernet

Eliminates the need for cross current(reactive differential)

Zero voltage droop with exceptional VAR sharing

Reduces wiring errors Limits problems with cross current connections

Long wire runs

Non-equal CT ratios

Contact and wiring errors


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Environmental Advantages

Extended temperature range

HALT tested

Extreme vibration and shock ratings

EMI/RFI immunity

Tolerant of high total harmonic distortion


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Agency approvals

UL

CSA

CE

Marine Approvals

BV

GL

DNV


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Target Markets

Utilities Independent Power Producers

Industrials

Marine

OEMs

Assemblers

Repair and Service

Consultants / Engineering Services


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Sales and Promotion Tools

Product Bulletin

Feature / Function / Benefit Table

Guide form Specification

Product Comparisons

Target Market

Application Notes DECS-200 / DECS-200N Retrofit

Auto-tuning Implementation and operation of VAR limiter


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Questions?

decs_250_Basler_Excitation_Systems

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