PAX Prepayment System is integrated with STS (Standard Transfer Specification) encryption techniques, with feature of energy measurement, LCD display, Non-Disconnect Facility, Communication, Alarm, Emergency credit, energy detection, Various vending solution Fraud Prevention and Detection, Load threshold and storage limit, Friendly period & emergency credit.etc
The WD130K benefit both the Consumers and Utility:
For the Consumers
a) Efficient management:
l In the manner of “pay-as-you-go”, user can purchase token from any authorized vending station.
l Helps the individual to monitor their spending on electricity
l Emergency credit and friendly credit is allowed
l Refund is allowed.
b) User friendly operation
l Various Methods are available to pay for the credit.
l Access to meter data by keying in short code
l When the user key in enquiry code information, the LCD will display the enquiry information.
c) Safety
l Each token can specifically be used to credit a particular meter with a certain serial number only.
l Token can be re-issued if it is lost for some reason.
For the Utility
a) Significant savings in cost :
l Lower administration and billing costs
l Reduction in bad debts
l Working capital savings through earlier receipt of payments
b) Efficient management:
l Usage can be monitored, predicted, etc, therefore making future planning easier
l End User habit analysis
c) Safety:
l Using STS encryption technology and protocol which assure high security.
l The credit could be limited in order eliminate the risk of theft.
l Whole close meter construction to avoid meter damage from outside
l Rated voltage：230V
l Rated current: 10(60) A
l Frequency：50Hz
l Impulse constant：1000imp/kWh
l Class：1.0
l Reduction voltage: Step-down transformer
l Current sampling：Shunt
l Display：LCD
l Voltage variation range：0.8Un～1.1Un
l Voltage Circuitry Wastage：≤2W
l Current Circuitry Wastage：≤5VA
l Impulse withstand voltage: 4kV
l Protection：IP54
lInsulation: 4kV
l Electrostatic discharging: 8kV
l Withstand surge: 8kV
l Operation Temperature：－25℃～+55℃
l Relative Humidity：85％
IEC62053-21: Electricity metering equipment (a.c.) –Particular requirements –Part 21: Static meters for active energy (classes 1 and 2).
IEC62053-31: Electricity metering equipment (a.c.) – Particular requirements – Part 31: Pulse output devices for electromechanical and electronic meters (two wires only).
IEC62055-41: Electricity Metering – Payment Systems – Part 41: Standard Transfer; Specification – Application layer protocol for one–way token carrier systems
IEC62055-51: Electricity Metering – Payment Systems – Part 51: Standard Transfer Specification – Physical Layer Protocol for one-way numeric and magnetic card token carriers. |
Residential Metering
