Most 13 Electrical Wiring Colors Thailand Ideas
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Electrical Wiring Colors Thailand - Circuit #1 managed with the aid of the transfer is the relationship of the ac "hot" wire to the bridge rectifier. Circuit #2 controlled by way of the transfer is the relationship of the motor's and - terminals. That's proper, while circuit #2 is "on", it's far purposely developing a brief-circuit across the motor terminals. This affords what is called "plug-braking" which is electric slowing of the motor. That is performed because it's far proper for protection reasons to have the motor stop spinning as quickly as feasible after the manage switch is released. Even though, the approach of useless-shorting the motor to enforce plug-braking is questionalbe, it really works.
The above wiring diagram applies to most black & decker corded mowers. The four lines strolling thru the dashed line represent the wiring harness that runs from the transfer assembly down to the mower deck. Word that the light-blue cord is definitely white at the mowers.
The mower's bridge rectifier may be very smooth to update. The recifier is installed within the higher-middle of the mower, just adjoining to the motor (see pics underneath). The rectifier has 4 connections, of which handiest 2 are commonly labeled ( and ~ ). According to the wiring diagram shown above, there are 2 ac connections, marked by using ~ , and 2 dc connections, marked and - respectively.
The mower's energy enter is 120 volts ac "wellknown household electricity". The ac-dc conversion is executed via the use of a bridge rectifier, which is really 4 diodes crammed right into a container. The rectifier utilized in most of these mowers is in an mb or gbpc package deal, having four "faston" connectors for the wiring and a single screw hollow inside the center for mounting to a heatsink. The height output from the rectifier is about one hundred seventy volts dc from a one hundred twenty volt ac enter. Suitable replacements include nearly any bridge rectifier with the same or better scores. For example, diodes inc. P/n gbpc2504 and mb254 are four hundred volt, 25 amp rectifiers which can be appropriate replacements for beneath $four. These are to be had from digikey and plenty of different companies. In trendy, installing a rectifier with a higher-cutting-edge rating and/or expanding the size of the mounting plate ought to growth the existence of the element due to reduced heating.