mtap 2 presentation pdf
DESCRIPTION
Testing Motor after Installing is safe and easyTRANSCRIPT
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MTAP 2 – Motor Test Access Panel
Offers
Increased Safety For Testing
Energized AC
Electric Motors
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Reduces Testing
time per motor
Reduces labour
cost
Increases Savings
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NFPA 70E 2
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For making connections on
live electrical circuits as per
NFPA 70E you have to wear
these PPE
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Spider Bite Near Ankle
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Thermal Image of the
temperature of the ankle
after a spider bite
No body loves to be
bitten by a spider
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Why are we afraid of this?
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But not this?
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Picture of a Low Voltage
Metering panel after Arc
flash.
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And not this?
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Fingers burnt by Arc flash
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Arc Flash Explosion Damage
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Result of an Arc
Flash Explosion
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Arch Flash: Clothes Burned
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Think about the
person who
was in it
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Arc Flashes
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• Mainly occur in electrical devices that are 480 volt and up.
• Motor control centers and substations are a great source of faults.
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Arc Flash Explosion
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• – Forms the arc path through air
• – Expands to form blast wave • Vaporized metal and ionized air:
• Temperatures reach 35,000°F+
• Energy levels can reach 20-100 Cal/cm2
• Duration is less than 7/10ths of a second
• Proportional to energy and distance.
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Damages from Arc Flash
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• High temperatures burns to skin
• Melting of synthetic clothing to skin
• UV and IR burns to eyes and skin
• Temporary or permanent blindness
• Pressure Wave can knock you down
• Decibel can reach 160 DB
• Neurological effect of a magnetic field
• Temporary or permanent personality changes
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The End Results
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Solution: Install MTAP 13
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MTAP2 meets both OSHA and NFP 70E
definitions for safe voltage
Time consuming tag
out and lock out
procedures are
eliminated and in
seconds you can
connect and collect
accurate data to
determine your motor
health.
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No More Direct Connection
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Tester Voltage Leads and
current probes direct
connections
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No More Direct Connection
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Voltage Leads
Current
Probes
MCC
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MTAP 2 – Motor Test Access Panel
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MTAP 2 Board
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PdMA’s Answer to Safe Testing
Direct connection to MCEmax Tester / MTAP2 One time Installation
Voltage connections
CT Cable Connections
Port connection
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PdMA’s Answer to Safe Testing
Without MTAP2 With MTAP2 Installed
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MTAP 2 Installation 19
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All MTAP 2 Installed in a separate panel
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MTAP 2 Installation 20
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MTAP 2 Installed in a
separate panel
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MTAP 2 Provides protection from Arc Flash
Before MTAP2 you need PPE to protect against Arc Flash
while connecting test leads & current probes
After installing MTAP2 there is no need to open the MCC door to make connections.
Test cable is connected to the connector installed on MCC Door
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MTAP 2 Installation
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MTAP 2 Test Port
to connect
MCEmax
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MTAP 2 Specifications
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Specifications
Voltage at MCC test port: 30V RMS nominal, <50V peak
Input voltages (select one when ordering): 120, 240, 480, 600 VAC
Motors rated over 600V, require the 120V/5A model and existing metering
PT’s and CT’s
Current input terminal strip (0-3V RMS input), current represented by voltage
Signal
MCC test port: Circular military style, 1-inch diameter, extends out ½ inch
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MTAP 2 Specifications
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Physical Dimensions
Size: 7.25 x 5.6 inches x 3.5 inches deep
Weight: less than 3 lbs.
Mounts to DIN rail via 2 mounting brackets
Mounting brackets provided, DIN rail not provided
Optional Mounting: Mount circuit board directly to MCC
4 mounting feet (must specify if required)
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MTAP 2 Specifications
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Circuit Protection and Isolation
3 primary and 3 secondary fast-acting fuses on potential
transformer
Transorbs used to limit voltage for current and voltage signals to
test port
Electrical Isolation: potential transformer rated 2000V DC High Potential
test
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MTAP 2 Specifications
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Standards and Certifications
Designed to UL508, UL845, and CSA 22.2 #14 standards
CSAus certification
Meets NFPA 70E guidelines for safe voltage level
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MTAP 2 Specifications – CT Information
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CT Primary Current Rating 5 A 100 A 400 A
CT Opening Size (inside
diameter in inches)
0.3 1.25 1.25
Design Iron Core Donut Iron Core Donut Iron Core Donut
Voltage Class (max continuous
voltage)
600V 600V 600V
Burden Resistor Built-in Built-in Built-in
Output (mV/A) 66.7 mV / A 3.3 mV / A 0.833 mV / A
Burden in VA at rated
current
0.003 0.04 0.14
Burden in VA at 10X rated
current
0.28 3.63 14.5
Wire Length 8 ft 8 ft 8 ft
ANSI / IEEE Standard # IEEE-C57.13 IEEE-C57.13 IEEE-C57.13
CSA Standard # CAN3-C13-M83 CAN3-C13-M83 CAN3-C13-M83
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MTAP 2 – Information Required when ordering
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When requesting a quote for MTAP 2 or Placing order, please provide the
following information:
Specify Motor Voltage, FLA and HP
Specify input voltage and CT current rating.
Requires one external cable to connect MCC test port
Cable Part Number ASY-00321
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MTAP 3
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Full range of MCEmax online tests including Power, Inrush / Start-
up, Demod, Rotor Evaluation and Eccentricity
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MTAP 3 – Current Only
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MTAP3 offers the ability to safely capture data in many of the smallest
enclosures where the MTAP2 cannot be installed or the PT’s are not available
at the motor MCC.
FEATURES
• In seconds you are able to collect accurate data to determine your motor
health
• Eliminate time consuming tag-out and lock-out procedures
• Nomex PPE NOT required
• Full range of MCEMAX online tests including Power, In-Rush/Start-Up, Demod,
Rotor Evaluation, and Eccentricity
• Meets OSHA and NFPA 70E definition for safe voltage
• Meets UL 508 and CSA 22.2 #14 standards .
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MTAP 3 – Current Only
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With the current-only MTAP3, you can choose from one of four standard
ranges of CT’s – MTAP 3 CT’s are ordered as a separate line item
CT Primary Current Rating 5A 100A 400A
CT Opening Size (inside
diameter in inches) 0.3 1.25 1.25
Design Iron Core Donut Iron Core Donut Split-Core
Voltage Class (max
continuous voltage) 600V 600V 600V
Burden Resistor Built in Built in Built in
Output (mV/A) 66.7 mV / A 3.3 mV / A 0.833 mV / A
Burden in VA at rated current 0.003 0.04 0.0177
Burden in VA at 10X rated
current 0.28 3.63 1.778
Wire Length 8 ft 8 ft 8 ft
ANSI / IEEE Standard # IEEE-C57.13 IEEE-C57.13 IEEE-C57.13
CSA Standard # CAN3-C13-M83 CAN3-C13-M83 CAN3-C13-M83