search

Westerbeke BTD 10.0 KW 60Hz Installation Manual Page 42

  • Download
  • Add to my manuals
  • Print
  • Page
    / 64
  • Table of contents
  • TROUBLESHOOTING
    •
  • BOOKMARKS
    • Rated. / 5. Based on customer reviews
Page view 41
GENERATOR
INFORMATION
USE
OF
ELECTRIC
MOTORS
The power required to start
an
electric motor is considerably
more than is required to keep it running after it is started.
Some
motors require
much
more current to start them than
others.
Split-phase (AC) motors require more current to start,
under similar circumstances, than other types. They are
commonly used on easy-starting loads, such as washing
machines,
or
where loads are applied after the
motor
is
started, such as small
power
tools. Because they require 5 to
7 times as
much
current to start as to run, their use should
be
avoided, whenever possible,
if
the electric
motor
is to be dri-
ven by a small generator. Capacitor and repulsion-induction
motors require from
2 to 4 times as
much
current to start as
to run.
Thc
current required to start any motor varies with the
load connected to
it.
An
electric motor connected to an air
compressor, for example, will require
more
current than a
motor to which no load is connected.
In general, the current required to start 115-Volt motors con-
nected
to
medium
starting
loads
will
be
approximately
as
follows:
MOTOR
SIZE
(HP)
1/6
AMPS
FOR
RUNNING
(AMPERES
3.2
1/4
4.6
AMPS
FOR
STARTING
(AMPERES)
6.4
to
22.4*
1
____
······
__
--+
____
10_.2_
...
__
+---=:.:..:...:~:.::.......
_
__l
13
26
to
52
*NOTE:
In the above table the maximum
Amps
for Starting is
more
for
some small motors than
for
larger ones. The reason
for
this is that the hardest starting types (split-phase) are
not
made in larger sizes.
Because the heavy surge
of
current needed for starting
motors is required for only an instant, the generator will not
be damaged
if
it can bring the motor up to speed in a few
seconds.
If
difficulty
is
experienced
in
starting motors, turn
off
all other electrical loads and',
if
possible, reduce the load
on the electric motor.
REQUIRED
OPERATING
SPEED
Run the generator first with no load applied, then
at
half
the
generator's capacity, and finally loaded to its full capacity as
indicted on the generator's data plate.
The
output voltage
should be checked periodically to ensure proper operation
of
the generating plant and the appliances
it
supplies.
If
an
AC
voltmeter or ampmeter is not installed to monitor voltage and
load, check it with a portable meter and amprobe.
NOTE:
When the vessel in which the generator is installed
contains
AC
equipment
of
120 volts only, it is recommended
that the generator's
AC
temzinal block be configured to pro-
vide one 120 volt
AC
hot
leg
for
the vessel's distribution
panel. This will ensure
good
motor starting response from the
generator:
GENERATOR
FREQUENCY
ADJUSTMENT
Frequency is a direct result
of
engine/generator speed, as
indicated by the following:
•
When
the generator is run
at
1800 rpm, the
AC
voltage
output frequency is
60 Hertz.
•
When
the generator is run at
1500
rpm, the
AC
voltage
output frequency is
50 Hertz.
Therefore, to change the generator's frequency, the genera-
tor's drive engine's speed must
be
changed along with a
reconfiguring
of
the
AC
output connections
at
the generator.
GENERATOR
MAINTENANCE
• Maintaining reasonable cleanliness is important.
Connections
of
tenninal boards and rectifiers
may
become
corroded, and insulation surfaces may start conducting
if
salts, dust, engine exhaust, carbon, etc. are allowed
to
build up. Clogged ventilation openings
may
cause exces-
sive heating and reduced life
of
windings.
•
For
unusually severe conditions, thin rust-inhibiting
petroleum-base coatings should be sprayed
or
brushed
over all surfaces to reduce rusting and corrosion.
• In addition to periodic cleaning, the generator should
be
inspected for tightness
of
all connections, evidence
of
overheated terminals and loose
or
damaged wires.
•
The
drive discs on single bearing generators should
be
checked periodically
if
possible for tightness
of
screws
and for any evidence
of
incipient cracking failure. Discs
should not be allowed to become rusty because rust may
accelerate cracking.
The
bolts which fasten the drive disc
to the generator shaft must
be
hardened steel
SAE
grade
8,
identified by 6 radial marks,
one
at each
of
the 6 cor-
ners
of
the head.
•
The
rear armature bearing is lubricated and sealed; no
maintenance is required. However,
if
the
bearing becomes
noisy
or
rough-sounding, have it replaced.
• Examine bearing
at
periodic intervals.
No
side movement
of
shaft should
be
detected
when
force is applied.
If
side
motion is detectable, inspect the bearing and shaft for
wear. Repair
must
be
made quickly
or
major components
will rub and cause major damage to generator.
Carbon
Monoxide
Detector
WESTERBEKE
recommends mounting a carbon
monoxide detector in the vessels living quarters.
Carbon
monoxide,
even
in
small
amounts,
is
deadly.
The presence
of
carbon monoxide indicates an exhaust
leak from the engine
or
generator
or
from the exhaust
elbow/exhaust hose, or that fumes from a nearby vessel
are entering your boat.
If
carbon monoxide is present, ventilate the area with
clean air and correct the problem immediately!
Engines & Generators
36
Page view 41
1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 63 64

Comments to this Manuals

No comments
Related products and manuals for Power generators Westerbeke BTD 10.0 KW 60Hz
Power generators Westerbeke 5.0kw EDC 50 HZ User Manual   (2 pages)
Power generators Westerbeke 7.6 kw EDT User Manual   (1 pages)
Power generators Westerbeke 4.0Kw BCDB 50Hz User Manual   (66 pages)
  • Christ Master-cookware Twitter Patriot Docks EXP Computer
  • Black & Decker Air blowers/dryers ONKYO Cassette players NEC Plasma TVs Audiovox Portable DVD/Blu-Ray players JVC Radios
  • LG 34UM65-P Miller Gold Seal 160 i Electrolux EDI97170W Panasonic MC-CG973 Warehouse of Tiffany 2318BB639
  • Sony HDR-CX320E User Manual Panasonic DMC-FZ38 User Manual Ford 2013 Explorer v.3 User Manual Infinity TSS1200 User Manual Sony STR-DE305 User Manual