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Old 04-15-2014   #21
scottfab
 
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Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,207
Default Re: LED Headlights for our Zs

Quote:
Originally Posted by Schrade View Post
If the amp draw on the alternator is less (whatever the difference is, between a car equipped with LED headlamps vs. standard lamps), then should the CS 144 Z alternator be replaced, with a LOWER amp output alternator?

Question is, when the ECM decides that the 'clutch mechanism', in the alternator, that has to engage, and become more of a load on the motor, ... ?

The alternator is ALWAYS spinning...

How DOES the integral voltage regulator work, I guess, is the question???
The voltage regulator is internal to the alternator and is autonomous. When there is low demand from system (Battery >12.2v ?) the field winding is left at 0V and the alternator free wheels. i.e. no load.
With no load it's just another idler pulley.

The big win on moving to low current draw by switching to LED everywhere is the available capacity to run "more stuff" in the cabin.
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Old 04-15-2014   #22
GOLDCYLON
 
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Join Date: May 2007
Location: Peoria, AZ
Posts: 9,154
Default Re: LED Headlights for our Zs

Quote:
Originally Posted by Schrade View Post
How DOES the integral voltage regulator work, I guess, is the question???

It allows the alternator to idle as the demand is not needed. Remind me to tell you the story when one of our 400KV voltage generators regulators failed and provided instant 100% power to our living area one night in Iraq at 0200hrs. Everything that had a power supply was burned out. Lamps that were not switch on turned on until the generator exploded with sparks flying over the T-walls. We though initially it was an RPG attack.

Less demand on your electrical system is a "goog" thing
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GOLDCYLON - 91 ZR-1 #2014
GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's)

GOLDCYLON - 11 CTS-V


Arizona State Director




91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

11 RED/GREY CTS-V
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