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ABYC AEMC Chapter 10
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ABYC AEMC Chapter 10
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ABYC AEMC Chapter 10A boat's hull potential is measured: - ANS-Between a reference cell and the engine negative
terminal or its bus.
A boat's hull potential is measured: - ANS-Between a reference cell and the engine negative
terminal or its bus.
A-28 -APPENDIX 2 -ELECTRICAL TEST PROCEDURES FOR GALVANIC CURRENT
BLOCKING The galvanic isolator shall be connected in series with a variable DC power supply
as shown below. The supply shall be capable of adjusting the voltage output in fine increments
in establishing the exact barrier voltage or intrinsic junction voltage. Once the device is biased
into conduction, measurements shall be taken of the resultant current. The ammeter shall have
a resolution of at least+/- _milliampere. The voltmeter shall have a resolution of at least +/-1
millivolt. The connection diagram is shown below (see A-28.12.3.1 through A-28.12.3.3). -
ANS-1
A-28 -APPENDIX 2 -ELECTRICAL TEST PROCEDURES FOR GALVANIC CURRENT
BLOCKING The galvanic isolator shall be connected in series with a variable DC power supply
as shown below. The supply shall be capable of adjusting the voltage output in fine increments
in establishing the exact barrier voltage or intrinsic junction voltage. Once the device is biased
into conduction, measurements shall be taken of the resultant current. The ammeter shall have
a resolution of at least+/- _milliampere. The voltmeter shall have a resolution of at least +/-1
millivolt. The connection diagram is shown below (see A-28.12.3.1 through A-28.12.3.3). -
ANS-1
A-28 -APPENDIX 4 - LOADTEST ()))%) vs. TEMPERATURE Thermocouples shall be placed in
critical locations on the isolator body and its internal components. The isolator shall be mounted
as intended on a 1/2-inch piece of plywood. The unit shall be placed in series with an AC power
supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to allow ___%
of rated current to be conducted through the isolator. The current shall be maintained until
temperatures stabilize. The galvanic isolator shall be designed so that no exterior surface
exceeds 90°C (194°F). (See sections A-28.12.7.1 through A-28.12.7.4.) All data shall be
recorded using a digital temperature and computerized data logger. The ammeter shall have a
resolution of at least +/- 1 mA. For galvanic isolators that are not intended for installation in
machinery areas or ignition protected areas, the thermocoupled sample shall be preconditioned
- ANS-135
A-28 -APPENDIX 4 - LOADTEST ()))%) vs. TEMPERATURE Thermocouples shall be placed in
critical locations on the isolator body and its internal components. The isolator shall be mounted
as intended on a 1/2-inch piece of plywood. The unit shall be placed in series with an AC power
supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to allow ___%
,of rated current to be conducted through the isolator. The current shall be maintained until
temperatures stabilize. The galvanic isolator shall be designed so that no exterior surface
exceeds 90°C (194°F). (See sections A-28.12.7.1 through A-28.12.7.4.) All data shall be
recorded using a digital temperature and computerized data logger. The ammeter shall have a
resolution of at least +/- 1 mA. For galvanic isolators that are not intended for installation in
machinery areas or ignition protected areas, the thermocoupled sample shall be preconditioned
- ANS-135
A-28 -APPENDIX 4 - LOADTEST (135%) vs. TEMPERATURE Thermocouples shall be placed
in critical locations on the isolator body and its internal components. The isolator shall be
mounted as intended on a _-inch piece of plywood. The unit shall be placed in series with an AC
power supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to allow
135% of rated current to be conducted through the isolator. The current shall be maintained until
temperatures stabilize. The galvanic isolator shall be designed so that no exterior surface
exceeds 90°C (194°F). (See sections A-28.12.7.1 through A-28.12.7.4.) All data shall be
recorded using a digital temperature and computerized data logger. The ammeter shall have a
resolution of at least +/- 1 mA. For galvanic isolators that are not intended for installation in
machinery areas or ignition protected areas, the thermocoupled sample shall be preconditioned
fo - ANS-44198
A-28 -APPENDIX 4 - LOADTEST (135%) vs. TEMPERATURE Thermocouples shall be placed
in critical locations on the isolator body and its internal components. The isolator shall be
mounted as intended on a _-inch piece of plywood. The unit shall be placed in series with an AC
power supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to allow
135% of rated current to be conducted through the isolator. The current shall be maintained until
temperatures stabilize. The galvanic isolator shall be designed so that no exterior surface
exceeds 90°C (194°F). (See sections A-28.12.7.1 through A-28.12.7.4.) All data shall be
recorded using a digital temperature and computerized data logger. The ammeter shall have a
resolution of at least +/- 1 mA. For galvanic isolators that are not intended for installation in
machinery areas or ignition protected areas, the thermocoupled sample shall be preconditioned
fo - ANS-44198
A-28 -APPENDIX 4 - LOADTEST (135%) vs. TEMPERATURE Thermocouples shall be placed
in critical locations on the isolator body and its internal components. The isolator shall be
mounted as intended on a 1/2-inch piece of plywood. The unit shall be placed in series with an
AC power supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to
allow 135% of rated current to be conducted through the isolator. The current shall be
maintained until temperatures stabilize. The galvanic isolator shall be designed so that no
exterior surface exceeds _____. (See sections A-28.12.7.1 through A-28.12.7.4.) All data shall
be recorded using a digital temperature and computerized data logger. The ammeter shall have
a resolution of at least +/- 1 mA. For galvanic isolators that are not intended for installation in
machinery areas or ignition protected areas, the thermocoupled sample shall be preconditioned
for 2 h - ANS-90°C (194°F)
,A-28 -APPENDIX 4 - LOADTEST (135%) vs. TEMPERATURE Thermocouples shall be placed
in critical locations on the isolator body and its internal components. The isolator shall be
mounted as intended on a 1/2-inch piece of plywood. The unit shall be placed in series with an
AC power supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to
allow 135% of rated current to be conducted through the isolator. The current shall be
maintained until temperatures stabilize. The galvanic isolator shall be designed so that no
exterior surface exceeds _____. (See sections A-28.12.7.1 through A-28.12.7.4.) All data shall
be recorded using a digital temperature and computerized data logger. The ammeter shall have
a resolution of at least +/- 1 mA. For galvanic isolators that are not intended for installation in
machinery areas or ignition protected areas, the thermocoupled sample shall be preconditioned
for 2 h - ANS-90°C (194°F)
A-28 -APPENDIX 4 - LOADTEST (135%) vs. TEMPERATURE Thermocouples shall be placed
in critical locations on the isolator body and its internal components. The isolator shall be
mounted as intended on a 1/2-inch piece of plywood. The unit shall be placed in series with an
AC power supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to
allow 135% of rated current to be conducted through the isolator. The current shall be
maintained until temperatures stabilize. The galvanic isolator shall be designed so that no
exterior surface exceeds 90°C (194°F). (See sections A-28.12.7.1 through A-28.12.7.4.) All data
shall be recorded using a digital temperature and computerized data logger. The ammeter shall
have a resolution of at least +/- 1 mA. For galvanic isolators that are not intended for installation
in machinery areas or ignition protected areas, the thermocoupled sample shall be
preconditioned - ANS-2
A-28 -APPENDIX 4 - LOADTEST (135%) vs. TEMPERATURE Thermocouples shall be placed
in critical locations on the isolator body and its internal components. The isolator shall be
mounted as intended on a 1/2-inch piece of plywood. The unit shall be placed in series with an
AC power supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to
allow 135% of rated current to be conducted through the isolator. The current shall be
maintained until temperatures stabilize. The galvanic isolator shall be designed so that no
exterior surface exceeds 90°C (194°F). (See sections A-28.12.7.1 through A-28.12.7.4.) All data
shall be recorded using a digital temperature and computerized data logger. The ammeter shall
have a resolution of at least +/- 1 mA. For galvanic isolators that are not intended for installation
in machinery areas or ignition protected areas, the thermocoupled sample shall be
preconditioned - ANS-2
A-28 -APPENDIX 4 - LOADTEST (135%) vs. TEMPERATURE Thermocouples shall be placed
in critical locations on the isolator body and its internal components. The isolator shall be
mounted as intended on a 1/2-inch piece of plywood. The unit shall be placed in series with an
AC power supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to
allow 135% of rated current to be conducted through the isolator. The current shall be
maintained until temperatures stabilize. The galvanic isolator shall be designed so that no
exterior surface exceeds 90°C (194°F). (See sections A-28.12.7.1 through A-28.12.7.4.) All data
shall be recorded using a digital temperature and computerized data logger. The ammeter shall
, have a resolution of at least +/-_ mA. For galvanic isolators that are not intended for installation
in machinery areas or ignition protected areas, the thermocoupled sample shall be
preconditioned f - ANS-1
A-28 -APPENDIX 4 - LOADTEST (135%) vs. TEMPERATURE Thermocouples shall be placed
in critical locations on the isolator body and its internal components. The isolator shall be
mounted as intended on a 1/2-inch piece of plywood. The unit shall be placed in series with an
AC power supply, ammeter, and load resistor.as shown. The power supply shall be adjusted to
allow 135% of rated current to be conducted through the isolator. The current shall be
maintained until temperatures stabilize. The galvanic isolator shall be designed so that no
exterior surface exceeds 90°C (194°F). (See sections A-28.12.7.1 through A-28.12.7.4.) All data
shall be recorded using a digital temperature and computerized data logger. The ammeter shall
have a resolution of at least +/-_ mA. For galvanic isolators that are not intended for installation
in machinery areas or ignition protected areas, the thermocoupled sample shall be
preconditioned f - ANS-1
A-28 -APPENDIX 5 - SHORT CIRCUITTEST The galvanic isolator shall be tested for its ability
to withstand the application of power from a short circuit test source capable of delivering
_________ symmetrically through the isolator as specified in AP S TABLE I, TABLE I 0-1. (See
sections A-28.12.8.1 through A-28.12.8.l.). Three applications of short circuit current shall be
applied to the galvanic isolator being tested. The duration of each short circuit test shall be at
least one full cycle. Each short circuit test shall be applied immediately after the test equipment
has been reset to the operational mode from the previous test. The electrical and mechanical
characteristics of the isolator shall be unchanged. - ANS-AC current (RMS)
A-28 -APPENDIX 5 - SHORT CIRCUITTEST The galvanic isolator shall be tested for its ability
to withstand the application of power from a short circuit test source capable of delivering
_________ symmetrically through the isolator as specified in AP S TABLE I, TABLE I 0-1. (See
sections A-28.12.8.1 through A-28.12.8.l.). Three applications of short circuit current shall be
applied to the galvanic isolator being tested. The duration of each short circuit test shall be at
least one full cycle. Each short circuit test shall be applied immediately after the test equipment
has been reset to the operational mode from the previous test. The electrical and mechanical
characteristics of the isolator shall be unchanged. - ANS-AC current (RMS)
A-28-APPENDIX 1-AC CONDUCTIVITY TEST The galvanic isolator shall be tested at ___% of
rated voltage and current, for 5 minutes, in series, connected to a resistive load. The galvanic
isolator shall not introduce a voltage drop greater than 2.5 volts at ___% of the galvanic isolator
ampacity rating. The ammeter shall have a resolution of at least +/- 1mA. (See A-28.12.2.1, and
A-28.12.2.2). - ANS-100
A-28-APPENDIX 1-AC CONDUCTIVITY TEST The galvanic isolator shall be tested at ___% of
rated voltage and current, for 5 minutes, in series, connected to a resistive load. The galvanic
isolator shall not introduce a voltage drop greater than 2.5 volts at ___% of the galvanic isolator
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