ICA-D212-725 (96)
Page 23 of 90
CHAPTER 96 – ELECTRICAL SYSTEM (96-00-00)
COPYRIGHT
2007 BY DART AEROSPACE LTD.
THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY
OTHER PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
4
Date: 11.06.01
96.1.7
Summary of System Analysis
The available excess capacities are as follows:
NOTE
All available excess capacities are based
on most severe conditions disclosed
by this analysis over a 15 minute
interval (takeoff, basic helicopter).
Table 96-3.
System Analysis
AVAILABLE
EXCESS
SYSTEM CAPACITY
Primary Power – 28 VDC
Starter/
Generator 167
Amps
Secondary Power – 115 VAC
Inverter # 1
227 VA
Inverter # 2
Unloaded
Emergency
28 VDC
42 Amps
115 VAC
227 VA
96.1.8
Electrical Safety and Hazards
WARNING
OBEY ALL THE DAFETY PRECAUTIONS
WHEN YOU DO MAINTENANCE ON OR NEAR
ELECTRICAL/ELECTRONIC EQUIPMENT
High voltages in the electrical and electronic
systems are hazardous to personnel. Electrical
shocks may cause serious injuries. The
generation of sparks in the presence of flammable
vapors may cause explosions. Metallic objects
that come in contact with the powered electrical
conductors or the components can cause injuries
to personnel and damage to components.
96.1.9
Safety Practices- General
WARNING
OBEY ALL THE DAFETY PRECAUTIONS
WHEN YOU DO MAINTENANCE ON OR NEAR
ELECTRICAL/ELECTRONIC EQUIPMENT
96.1.9.1
When you do any maintenance or
repairs to an electrical system, or to any system
that required electrical power, follow these
precautions:
96.1.9.1.1
Personnel must be trained for the
specific task
96.1.9.1.2
Do not touch components that
have electrical power. Direct contact with a high
voltage circuit or lower voltage circuit with a high
current capacity can be fatal.
96.1.9.1.3 Proper tools and safety
equipment must be available. Use them to ensure
the safety of personnel. Use them to make sure
the given task is done to the specified standards.
96.1.9.1.4
Do not wear jewelry when you
work on a system that is powered.
96.1.9.1.5 Use recommended test
equipment or their equivalents. Follow the
equipment operation instructions. Additional test
equipment, lights, etc. may be used as desired,
provided the purpose and intent of the specified
test is not compromised.
96.1.9.1.6
The leads and the probes of the
test equipment must be serviceable. They must
be of sufficient length to put test equipment at a
proper location. The location of the test
equipment must give a full view of the indicator.
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