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Motor power management

Part of the Controls and electronics section. Power distribution, protection, and sensing for the drivetrain motor in a washdown environment.

Introduction

This page defines the electrical power/control items needed to run and protect the drivetrain motor, and to provide current sensing for spike detection and throughput estimation. The design must be suitable for industrial cleaning (water protection) and for a 50 Hz China installation baseline.

Colour key & components

Key electrical components (implementation details TBD).

Colour(s)	Component
—	Main disconnect / breaker — local isolation (supports stand-alone operation and LOTO).
—	AC contactor + motor starter / soft starter — switching, controlled start/stop behavior, and overcurrent protection for the motor circuit.
—	Internal control panel — relays, control IO/PCB/PLC as required (final architecture TBD).
—	Motor current sensor — instantaneous current measurement for spike detection and rough throughput estimation.

Figures

Add wiring diagrams and cabinet layout when available. (No motor power images are committed yet.)

Recommended figures (contractor clarity)

Add figure: single-line diagram (power in → disconnect → contactor/starter → motor).
Add figure: cabinet layout and cable routing/glands for washdown protection.

Discussion

Motor baseline specifications (reference)

Some prior specs were for 60 Hz markets. P6 China baseline is 50 Hz.

Parameter	50 Hz (China baseline)	60 Hz (reference)
Motor	WEG W22 (or equivalent), 10 hp (≈7.5 kW), 4-pole	WEG W22 (or equivalent), 10 hp, 4-pole
Speed	~1470 rpm	~1760 rpm
Voltages	220 / 380 / 440 V 3-phase (final plant voltage TBD)	220 / 380 / 440 V 3-phase
Protection	IPW55 (as specified)	IPW55 (as specified)
Mounting	V5T (foot, vertical, shaft downwards)	V5T (foot, vertical, shaft downwards)

Plant power interface (by country, reference)

Use this table to drive inlet connector choice, wiring design, and starter/protection sizing. China is the baseline target. Where possible, aim for a dual-voltage, dual-frequency motor to reduce variant risk.

Country	Outlet type	Phase type	Voltage (V)	Current (A)	Frequency (Hz)
Brazil	IEC 60309	Three-phase	380/415	10	60
China	IEC 60309	Three-phase	380/415	16+	50
USA	NEMA L	Three-phase	480Y/277	20+	60

Control and protection requirements

Local operation — local ON/OFF and run/stop (stand-alone).
LOTO — rear lockout/tagout isolation point.
Safety interlocks — fail-safe lid switches and stop-with-peelers-open logic.
Water protection — enclosures, glands, routing suitable for rigorous washdown.

Sensing

Motor current sensor — instantaneous current measurement for spike detection and rough throughput estimate (fruit processed per period).
Cycle sensor — cycle count per period (may share hardware with yoke position / open-peeler stop sensor).

Questions for contractor

Propose a washdown-safe electrical architecture (cabinet IP rating, glands, routing) suitable for a China plant.
Specify the motor starter/contactor and whether a soft starter is required; include overcurrent protection sizing based on motor current/duty assumptions.
Specify current sensing hardware and how it will be used for spike detection and throughput estimation.
Confirm inlet connector(s) and wiring approach for 380/415 V 3-phase 50 Hz (CN baseline), and advise how to keep a single design compatible with 60 Hz markets where possible.

Interfaces

Input: plant power (3-phase), operator commands, safety interlocks.
Output: protected power to drivetrain motor; sensor signals to control logic/IoT export.
Mount: internal control cabinet/panel.

Interfaces and tolerances

Interfaces (tolerances TBD; contractor to propose).

Part	Interface / tolerance	Related
Motor	WEG W22 (or equivalent); 50 Hz baseline; vertical shaft down; IPW55	Drivetrain
Control cabinet	Washdown protection (IP rating) and gland/cable routing	—
Current sensor	Provides current spike detection and throughput estimate	—

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