eta systems a guide to real power protection. why buy power protection? because ac power is the most...
TRANSCRIPT
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Why Buy Power Protection?
• Because AC Power is the most unpredictable part of you system design– Without AC, you system won’t work– Unregulated AC can subject your system to voltage bursts
(spikes and surges)• These can damage your system or cause it to operate incorrectly
– Incoming AC voltage can vary.• This causes your electronics to be starved from the voltage they need
to operate correctly
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Why Buy Power Distribution? Continued
• AC noise will cause irritating buzz in your system– EMI (Electro-Mechanical Interference) is caused when another
device on the same circuit introduces noise. • Refrigerators, Air conditioners, etc.• The noise could even be coming from the operation of your neighbors
electronics.
– RFI (Radio Frequency Interference)
• Initial Powering up of our equipment can cause a “on rush” of power can cause a breaker or fuse to trip or damage your electronics.
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How Do Problems Enter a System?
Normal ModePhase (hot) to Neutral
Should be <10 volts
Common ModeNeutral to Ground
Should be < ½ volt
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What Devices Are Used To Solve Power Problems. Which Device Is The Appropriate One
To Use?
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SIMPLE AS A-B-C
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AC – The Surge Diverter/Filter
Example of surge diverter/noise filter function.Diverters and filters convert normal mode to common
mode.
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Remember
Normal ModePhase (hot) to Neutral
Should be <10 volts
Common ModeNeutral to Ground
Should be < ½ volt
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B – Isolation Transformer
Isolation transformers eliminated common mode voltage.
Transformers provide a code legal way of bonding neutral to ground.
H
N
G
H
N/G
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Balanced Power Transformer
H
G
N
60 volts
60 volts
Balanced power transformers have their ground separated from phase and neutral by 60 volts. Neutral and ground cannot be bonded and common
mode voltage is not eliminated. Balanced power transformers are primarily designed to eliminate 60 Hz. hum. They are not intended for
microprocessor based electronics.
H
N
G
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ABC – ETA Power Conditioner
When used with a true isolation transformer with a neutral to ground bond, surge diverters and noise filters can do their job without creating a common mode disturbance. The number of
surge diversion and filter elements is also greatly reduced.
H
N
G
H
N/G
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So What Does This Mean to Digital Equipment?
• Digital Equipment is very sensitive• Digital communication is a sequence of 1’s and
0’s• The slightest variance could cause a Errors,
causing No Fault Found service calls• Digital Takes a Reference Point from Ground
– If Noise is present on Ground, the reference is corrupted and errors result.
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Remember
Normal ModePhase (hot) to Neutral
Should be <10 volts
Common ModeNeutral to Ground
Should be < ½ volt
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An Example of Power Line Noise
Normal Mode Noise - ~ 1.5 volts
Common Mode Noise - ~ 2 volts
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Remember
Normal ModePhase (hot) to Neutral
Should be <10 volts
Common ModeNeutral to Ground
Should be < ½ volt
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Normal Mode Noise - Power Line - ~ 1.5 volts
Common Mode Noise - Power Line - ~ 2 volts
Power Quality Performance of a Furman Sound PL8
Power Line Noise
Reference
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Normal Mode Noise - Power Line - ~ 1.5 volts
Common Mode Noise - Power Line - ~ 2 volts
Power Quality Performance of a
Surgex SA966
Power Line Noise
Reference
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Normal Mode Noise - Power Line - ~ 1.5 volts
Common Mode Noise - Power Line - ~ 2 volts
Power Quality Performance of an ETA Systems PD8
Power Line Noise Reference
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Normal Mode Noise - Power Line - ~ 1.5 volts
Common Mode Noise - Power Line - ~ 2 volts
Power Quality Performance of a
Furman Sound IT1220
Power Line Noise Reference
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Normal Mode Noise - Power Line - ~ 1.5 volts
Common Mode Noise - Power Line - ~ 2 volts
Power Quality Performance of an ETA Systems PCI-
2000NA
Power Line Noise Reference
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Power Conditioning Products
• PCI Series• Front panel LEDs for “power on” and “no safety ground” indications • Front panel power switch/circuit breaker (PCI-400NA and larger) • NEMA plug/receptacles on North American models • IEC320 plug/receptacles on International models • Optional wall mount plate for models up to PCI-700NA • Optional rack tray for PCI-400NA and larger • UL listed • Limited five-year warranty against defects in materials and
workmanship
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Quick Model Rundown
• Small PCI-065NA – .65 Amps
• Plenty in between• Large PCI-2000NA
– 20 Amps
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UPS…No Not the Delivery Service
• But the UPM Series Delivers Continuous Power• Low-distortion sine wave inverter • Front-panel LED indicators for load level, battery charge
level, voltage manager mode, on battery, low battery, replace battery, overload, and rear panel receptacle status
• Front-panel test button • USB and Serial Communication Interfaces • RS232 port and optional Communications Manager
software package • User hot swappable batteries • Runtime full load/half load – 6 min./20 min.
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UPM Series
Small UPM-420NA 280 Watts
Large UPM-1440NA936 Watts
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Don’t Forget The Legacy
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Quick RundownStandard Series Continued
• PD8– 8 Outlets
• PD8L– 8 Outlets and Retractable Lights
• PD9L– 8 Wall Wart Sized Outlets with Retractable Lights– 1 Additional Outlet on the Front
• PD11LV– 10 Outlets on the Back (2 Always On), 1 on the Front– Voltage Meter– Retractable Lights
• PD11SS– 10 Outlets on the Back, 1 on the Front– Four-Stage Power Sequencing
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Quick RundownStandard Series
Basic Features
Spike and Surge Protection
EMI/RFI Filtration
15 AMP, 1800 Volt Capacity
Overload Protection
One Rack Space
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Quick RundownProfessional Series
• Basic Features
– Spike and Surge Protection
– 20 AMP, 2400 Watt Capacity
– EMI/RFI Filtration
– Overload Protection
– 10’ Power Cord
– One Rack Space
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Quick RundownProfessional Series
• PD11P– 11 Outlets (10 on Back (2 Always On),
1 on Front)• PD11LP
– Same As PD11P with Retractable Lights
• PD11VP– Same As PD11P with Voltage Meter
• PD11LVP– Same as PD11VP with Retractable
Lights• PD11LVSP
– Same as PD11VP with Four-Stage Sequencing
• PD11SP– 9 Outlets (8 on Back, 1 on Front)
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Quick RundownSpecial Application Series
• PD66 and PD602– 140 AMP Total– Eight 20 AMP outlets– Six Circuit Breaker Switches– Two 30 AMP Hardwire Terminal Blocks– Single or Three Phase Power Up
• PD10VRS– 10 Outlets (2 Always On)– Regulates Voltage to 117 Volts– Voltage Meter– Four Stage Sequencing– 15 AMP, 1800 Volt Capacity
• PD420VS– Three Stage Power Sequencing– Voltage Meter– Unlimited Linking of Multiple Units– Four 20 AMP Circuits with Front Panel Resets– 80 AMP, 9600 Watt Capacity– Volt Meter
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ETAProfessional Power Protection
REAL Power Protection!
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Questions ?