IMPROVING THE RELIABILITY OF CRITICAL ELECTRICAL …...1.temperatura – 2.descarga parcial –...
Transcript of IMPROVING THE RELIABILITY OF CRITICAL ELECTRICAL …...1.temperatura – 2.descarga parcial –...
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IMPROVING THE RELIABILITY OF CRITICAL ELECTRICAL POWER ASSETS
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Porque monitorar online instalações elétricas?
Evitar ou reduzir riscos de acidentes e consequentemente: Evitar paradas de produção não programadas Evitar danos em equipamentos e pessoal Aumentar a segurança Aumentar a confiabilidade
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DESAFIOS EM INSTALAÇÕES ELÉTRICAS
82%De falhas elétricas
são aleatórias
25 anos+Instalações antigas
50%Custo adicional
Para reparar painieis após acidente ao invés de monitorar antes da falha
$15M+Media de custo de
acidente
20%Das paradas
industriais são decorrentes de falhas elétricas
31%Empregados possuem pouca bagagem de conhecimento
Devido ao pouco tempo de experiência
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O que deve ser monitorado para reduzir riscos de falhas ou acidentes?
MONITORAMENTO ON LINE 1.TEMPERATURA – 2.DESCARGA PARCIAL – 3.UMIDADE
SENSOR DE TEMPERATURA WIRELESS SEM BATERIA
DESCARGA PARCIAL POR RUÍDOS UHF
UMIDADE SENSOR CABEADO
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DIFERENÇAS INSPEÇÕES MANUAIS VS. DADOS ONLINE
• INSPEÇÕES MANUAIS
• MONITORAMENTO ONLINE IntelliSAW
• MAIS SEGURANÇA• MENOS ACIDENTES• MAIS PONTOS MONITORADOS• DADOS CONTINUOS• AUMENTA A CONFIABILIDADE• AUMENTA A DISPONIBILIDADE
• NÃO ACESSA TODAS AS FALHAS
• EXPOSIÇÃO DE PESSOAS• AINDA ASSIM OCORREM
ACIDENTES
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CAM™ Platform Overview
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IntelliSAW Critical Asset Monitoring (CAM™) Platform
• Monitoring capability• Temp, PD (Trend), Ambient
• Touch panel HMI• Onboard data storage• Display & log data for 9 connected Readers• Multiple communication protocols
• Monitoring capability• Temp, PD (RAW), Ambient
• Modbus RTU (RS485)
CAM-5
IRM Reader
LOCAL MONITORING UNITS
Zero Maintenance ▪ One-time Calibration ▪ Easy Installation ▪ Rugged Design
Conductor Temperature
Ambient Temp & Humidity
Partial Discharge
SENSORS
• Passive SAW Technology
• UHF PD detection technology
• Laser cut CMOS technology
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Scalable System Architecture
Architecture can repeat to 1 CAM and 9 total Readers
• A CAM-5 supports up to 9 Readers.
• A Reader supports up to 4 Air Interfaces with partial discharge monitoring.
• A Reader supports up to 12 temperature sensors.
• A Reader can also support up to 8 humidity and ambient temperature sensors
• A single systems can be scaled to meet specific asset requirements up to:
• 120 temperature sensors• 80 PD monitoring points• 80 ambient temperature points• 80 humidity sensors
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Typical Installation
Emerson Confidential
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Switchgear Naming Convention
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• Switchgear• Lineup• Switch board
A general term which covers switching and associated control, metering, protective and regulating devices for delivering electricity.
• Switchgear• Panel• Vertical section• Column• Breaker
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Common Application Documentation
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Single Line Diagrams Elevation Views Cross Sections &Mechanical Drawings
Budgetary Proposal Detailed Proposal Sensor Locations
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Generator Installation Example – IS Sensor
Alternative mounting methods can be used: high temp tie wrap or high temp tape
MV Switchgear Transformer
LV (high current) Switchgear
Generator Termination Enclosure
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ASTS Photos
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ASTS Photos
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Low Voltage Switchgear Installation Example
Mounting Method - Clip Molded Case Breaker Cables
High Density Compartments
Mounting Method – Zip Tie
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OEM’s Working with IntelliSAW
• GE• CE Power• Siemens• Point Eight• Schneider• Crown Technologies• Eaton • ABB• Power Secure
• Powell Delta Una Buss• S&C • M&I• IEM• AZZ• REV• Jordon Transformers• Delta Star• Switch Gear Solution
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Customer Experiences
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South East Generation Plant - GCB Maintenance
CHALLENGE RESULTS
The IntelliSAW CAM platform triggered alarms, bringing attention to the thermal rise on a GCB contactors.
Confirmed deterioration of 4 of the 6 GCB connections. Saved $350k+ for new asset.
MAX TEMP
Rate of Change
Differential
Peak power plants require several cold-starts to meet demand, and in high humidity environments, this operation causes significant corrosion.
Frequent manual inspection and forced downtime is required to prevent system failures.
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BASF – Outdoor Transformer Preventive Maintenance
Secondary side bus duct had a gasket failure where moisture was getting in. You could say the system just paid for itself.
Joel LogueElectrical / Instrument Engineer
September 2017
Installation – January 2017
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Switch gear & MCC $634KTransformers $301KIntelliSAW system $ 18K
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Customer Sampling
• Commercial
• Industrial
• Utility
• OEMs