GE Multilin EPM9900P high-precision power quality analyzer

GE Multilin EPM9900P high-precision power quality analyzer

Core accuracy and storage (divided into A/B/C software versions)

Version memory single cycle sampling key function

A 512MB 512 point basic measurement, A-grade PQ, no 61850/high-speed transient

1GB 1024 points+IEC61850+GOOSE communication

4GB maximum 800000 points/week, 50MHz transient sampling+50MHz ultra high speed transient recording (top configuration)

Electricity metering accuracy: 0.06% (ANSI 0.2 level), equipped with Constant Cal technology that automatically calibrates every 10 seconds, ensuring long-term data stability;

Harmonic: Real time up to 127 times, can calculate up to 511 times voltage/current harmonics, output THD, TDD, K coefficients;

Flash test: IEC61000-4-15A, compatible with 50/60Hz standard;

Data storage: The top of the line 4GB can continuously store massive logs for several years, and the waveform supports exporting in COMTRADE and PQDIF industrial standard formats.

Main functional classification

1. Trade grade electricity metering (four quadrant metering)

Time sharing TOU multi rate perpetual calendar (permanently effective in one configuration, 16 sets of rate registers, supporting water/gas pulse collection);

Automatic compensation for copper loss, iron loss, and line loss in transformers, and error correction for CT/PT transformers;

Demand statistics, peak power data capture during the same period, and long-term archiving of load curves;

Test mode: Verify the accuracy of the electricity meter without offsetting the accumulated electricity. After testing, the electricity base can be pre-set for easy instrument replacement.

2. Comprehensive monitoring of electrical energy quality (in compliance with EN50160 report)

Full parameter collection of voltage sag/surge, short-term/long-term power outage, imbalance, flicker, harmonics, interharmonics, and power frequency disturbance, and automatic generation of compliance reports; Support phasor analysis and custom RMS operations for single/multiple cycles.

3. High speed faults&transient waveform recording

Standard 16 bit AD, standard 1024 points/week; Version C: 50MHz sampling, 800000 points/week transient recording, capturing faults at 8 times the range;

Dual triggering of hardware and software, DI displacement and GOOSE messages can be triggered by cross device linkage for waveform recording, with a timing accuracy of less than 200 μ s;

Support ITIC, CBEMA, SEMI F47 standard curve statistics.

4. Programmable limit control

Customizable voltage/current/power thresholds, enabling capacitor switching, load shedding, transformer control, backup protection linkage, and over limit email alarm.

5. Event log

Automatically record all system operations such as parameter modification, password change, timing, firmware upgrade, power on reset, etc.

Communication configuration (multi protocol parallel, hardware multi interface)

1 Hardware interface

Dual independent Ethernet (dual MAC/IP, RJ45/optional fiber), with a maximum of 32 Modbus TCP channels per network port;

Optional 2-channel RS485 (Modbus/DNP3.0), front panel USB, ANSI optical port;

IRIG-B precision timing (1ms accuracy), Vaux auxiliary voltage input.

2 Support protocols

Modbus RTU/TCP, DNP3.0 (LEVEL2+), IEC61850 MMS+GOOSE transceiver (B/C versions), supporting SMTP email alerts, SNTP pairs, and FTP file transfers; GOOSE cross interval linkage triggering wave recording is a highlight of substation networking.

I/O expansion (body+external module two-level)

Built in: 8-way high-speed DI (AC/DC universal, passive/active wiring adaptive)

Optional slots with built-in modules (3 expansion slots)

S card: 2 x RS485+4 KYZ pulse outputs; D1 card: 16 digital inputs; R1 card: 6-way C-type relay (5A/250VAC).

External modular I (requires matching power supply and installation base)

AI: 4/8 channels of 0~1mA, 4~20mA, ± 5V, ± 20mA analog inputs;

AO: 4/8 channels 0~1/4~20mA analog output;

RO: 4-channel relay; PO: Solid state pulse output.

Human computer interface and supporting software

Whole machine color TFT LCD touch screen: multilingual (Chinese English/Spanish/French, etc.), real-time viewing of electricity, phasor, harmonic spectrum, waveform, alarm, and trend on-site;

EnerVista Launchpad: Device configuration, parameter download, firmware upgrade;

GE communicator: remote data viewing, waveform analysis;

EnerVista integrator: OPC service, compatible with SCADA/DCS.

Electrical specifications

Voltage input: Line to ground 5~347VAC, line to line 10~600VAC, input isolation withstand voltage 2500VAC;

Current: Supports 1A/5A CT, short-term overload: 10s/100A, 3s/300A, 1s/500A;

Power supply: AC100~240V/DC18~60V with multiple specifications to choose from, power consumption ≤ 25VA;

Power frequency 45~69.9Hz, operating temperature -20~+70 ℃.

Supporting complete cabinet

Optional NEMA1 prefabricated complete meter box, UL certified, factory pre wired (PT fuse, CT short-circuit block, built-in control transformer), modification project eliminates on-site wiring, shortens construction period.

Certification and Selection

Compliance: CE, UL/cUL, full range of IEC/ANSI electrical energy, EMC, PQ standard certifications;

Ordering differentiation: power supply system, CT ratio (1A/5A), 50/60Hz, software ABC version, network port selection (RJ45/fiber), and various IO module options.