EVSE by mwolrich - gorawen/open_evse GitHub Wiki

Introduction

This is an example of a 30A Portable EVSE built with the Open EVSE GFCI board, and Advanced power supply.

This should not be attempted by anyone without the required skills and knowledge to work with high voltage.

Open EVSE is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

High Voltage Schematic

http://open-evse.googlecode.com/files/EVSEwAdvanced_Power_supply.pdf

EVSE Ground

NOTE: The Open EVSE control Board must be grounded to the EV/Earth Ground for the pilot to operate correctly.

Circuit

If using the L6-30 30A cable/outlet/breaker set the EVSE board to a maximum of 24A.

Parts

Part Source Cost Quantity Link
Open EVSE Plus Board w/ integrated power supply Open EVSE $150.00 1 http://code.google.com/p/open-evse/wiki/Ordering
30A Relay Digikey $13.03 1 http://search.digikey.com/us/en/products/T92P7D22-12/PB486-ND/365921
Current Transformer Digikey $10.65 1 http://search.digikey.com/us/en/products/CR8420-1000-G/582-1018-ND/1045174
BOX NEMA ECONOMY 5.9X5.9X3.54 (377-1787-ND) Digikey $20.62 1 http://search.digikey.com/scripts/DkSearch/dksus.dll?lang=en&site=us&KeyWords=377-1787-ND&x=0&y=0
PANEL INTERNAL 4.9" X 4.9" (377-1939-ND) Digikey $4.80 1 http://search.digikey.com/scripts/DkSearch/dksus.dll?WT.z_header=search_go&lang=en&site=us&keywords=377-1939-ND&x=0&y=0
FUSEHOLDER 1/4" 30A 250V PNL MNT (283-2850-ND) Digikey $3.69 2 http://search.digikey.com/us/en/products/BK%2FHKP-R/283-2850-ND/1024094
FUSE 250V SLO-BLO 3AB 30A (F1779-ND) Digikey $1.68 2 http://search.digikey.com/us/en/products/0326030.MXP/F1779-ND/778640
2" plastic 4-40 M-F standoffs (4813K-ND) Digikey $.63 8 http://www.digikey.com/product-detail/en/4813/4813K-ND/255350
J-1772 cable, 30 amps (A3435-PEV) Leviton $133.98 + $12.19 shipping 1 http://store.leviton.com/dp/B00912OT00#.UD18QGjEV68
30A AC Plug L6-30 Stay Online $33.00 1 http://www.stayonline.com/detail.aspx?ID=15695
AdaFruit RGB LCD Shield kit AdaFruit $24.95 1 http://adafruit.com/products/714
Strain Relief - HUBBELL SHC2041CR 1 Inch Thread Cord Connector Stayonline $7.00 2 http://www.stayonline.com/detail.aspx?id=17207
Ground Bar Kit Home Depot $4.48 1 http://www.homedepot.com/h_d1/N-5yc1v/R-100207842/h_d2/ProductDisplay?catalogId=10053&langId=-1&keyword=Ground+Bar+Kit
Shipping DigiKey, AdaFruit, StayOnline $25 1
Crimp Connectors/PCB connectors various $10 1
Hardware (nuts & bolts) various $5 1

| Totals | | $477.48 | |:-------|:|:--------|

Photobucket

OpenEVSE completed, completed with AdaFruit RGB LCD display installed

OpenEVSE, view of components

grounding, grounding conductors from advanced PS, AC power cord, and J-1772 cable

OpenEVSE powered up, bench testing before installation

OpenEVSE completed, completed with cover closed, and J-1772 and L6-30 seen, 120V adapter installed for testing

16A L2 Pilot signal - waiting for EV

16A L2 Pilot signal

16A L2 Pilot signal - charging

Photobucket

Updated pictures using OpenEVSE V4.0 thruhole PCB

Uploaded from the Photobucket iPhone App

Uploaded from the Photobucket iPhone App

Uploaded from the Photobucket iPhone App

Uploaded from the Photobucket iPhone App

Uploaded from the Photobucket iPhone App

Uploaded from the Photobucket iPhone App

Uploaded from the Photobucket iPhone App

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