ZEUS 8021, ZEUS 8031 and Zeus 8023 Smart Power Meters
The ZEUS 8021, ZEUS 8031 and ZEUS 8023 meters help utilities monitor the electricity consumption provided to their customers. Offering local and remote communication interfaces, power quality indicators, cut and reclosing with internal relay, various alarms and anti-fraud events, and ready to meet White and Micro Tariff and Distributed Minigridation.
FEATURES
• 2-wire single-phase topology for ZEUS 8021;
• Single-phase 3-wire topology for ZEUS 8031;
• Two-phase or three-phase topology (star or delta connection) for model ZEUS 8023;
• Active and reactive energy, UFER and DMCR;
• Symmetrical connection;
• Meet White Tariff;
• Meets Micro and Distributed Minigeration.
• Four quadrants;
OPTIONAL AUXILIARY LED
• Power on indication;
• Reverse flow indication;
• Clock check function.
OPTIONAL ALARMS
• More than 30 alarms configured individually;
• Anti-fraud alarms and mains alarms.
REMOTE COMMUNICATION AND / OR LOCAL OPTIONAL
• DLMS / COSEM protocol;
• Optical port;
• RS232 or RS485 (optional);
EXPANSION INTERFACE
• Possibility of connection of the meter with communication module with DLMS / COSEM protocol. MASS MEMORY
• 18 configurable channels.
RATES
• Up to four daily rates;
• Differential rates for Saturdays, Sundays and holidays;
• Two schedules of timetables;
• DST;
• Up to 50 holidays;
• Battery or supercapacitor options for maintaining the clock.
DEMAND
• Maximum demand with date / time of occurrence;
• Accumulated demand.
FIRMWARE UPDATE
• Firmware update with digital signature;
• Allows remote updating.
ENERGY QUALITY INDICATORS
• Voltage in steady state;
• Voltage unbalance;
• Power factor;
• Frequency variation;
• Harmonics;
• Short-term voltage variation.
TECHNICAL CHARACTERISTICS
ACCURACY: Class B (1%).
GREAT MEASURES: Active energy, reactive energy, UFER and DMCR.
TYPE OF ENERGY MEASUREMENT: Bidirectional.
TYPE OF ENERGY REGISTRATION: Unidirectional; bidirectional; ticket gate.
CONSTANT: 1 Wh / pulse; 1 varh / pulse;
TENSION: Rated voltage -
120V / 240V; Operating voltage - 95V to 277V.
CURRENT: Rated current - 15A; Maximum current - 100A (ZEUS 8021 and 8031) / 120A (ZEUS 8023).
FREQUENCY: 50Hz or 60Hz.
TEMPERATURE: -10 ° C to + 85 ° C.
HUMIDITY: 95% (non-condensing).
MECHANICAL: Protection level - IP52.
ALARMS
FEATURES: Record the last 100 alarm occurrences; Each alarm can be programmed individually.
INDIVIDUAL SETTINGS: Opening hours (day / night / day and night); Action on the occurrence of the alarm (open relay / report alarm).
GENERAL ALARMS: Reset; Firmware update; Change of rate schedule; Communication module failure; Restoration of the communication module;
Change of date / time;
ANTIFRAUD ALARMS:
• Opening / Closing the terminal block cover
• Opening / Closing the main cover
• Magnetic Field Detection
• Post-relay voltage
• Communication authentication failed
RELAY ALARMS: Relay opening / closing (via local / remote interface).
ALARMS OF THE ELECTRICAL POWER NETWORK: Phase failure; overcurrent; Phase sequence inversion; Lack of long-lasting energy; Reverse current;
undervoltage; overvoltage; overload.
QUALITY OF ENERGY
CHARACTERISTICS:
• Calculation of various energy quality indicators;
• Quality recorders;
• Power factor - minimum power factor;
• Voltage Imbalance - FD% (0.1 Hz);
• Frequency variation - FT (0.001);
• Steady state voltage - DRP (0.1%), DRC (0.1%);
• Harmonics - DTT% (0.1%), DITh% (0.1%);
• Short-term voltage variation - NIMT, NAMT, NEMT, NITT, NATT, NETT.
PARAMETER CHANGE REGISTRATION
The meter keeps in memory the change register of all legal parameters (involved in consumer charging).
Firmware Update
The meter enables secure firmware update in the field using digital signature to guarantee the authenticity of origin of the received file. Firmware update registers are kept in memory.
STANDARDS ATTENDED
ABNT NBR 14519: Electronic (static) electricity meters - specification;
ABNT NBR 14520: Electronic (static) electricity meters - test method;
ABNT NBR 16078: Reliability test - life accelerated by humidity and temperature;
INMETRO RTM 520: White Tariff Requirements;
INMETRO RTM 586: Software technical assessment requirements;
INMETRO RTM 587: Technical model assessment requirements.