GE EPM 3000P Electrical Installation, CT Size VA Maximum Distance CT to EPM3000P

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CHAPTER 2

ELECTRICAL INSTALLATION

2.1CONNECTING THE CURRENT CIRCUIT

The cable used for the current should be installed at 600V AC minimum. The cable connector should be rated at 6 Amps or greater, and it should have a cross-sectional area of 16 AWG.

The current transformers should be mounted as close as possible to the meter. The following table gives the maximum recommended distances for various CT sizes, assuming the connection is made via 16 AWG cable.

CT SIZE (VA)

MAXIMUM DISTANCE (CT TO EPM3000P)

2.5 VA

10 FEET

5.0 VA

15 FEET

7.5 VA

30 FEET

10.0 VA

40 FEET

15.0 VA

60 FEET

30.0 VA

120 FEET

WARNING: DO NOT LEAVE SECONDARY OF CT WHEN PRIMARY CURRENT IS FLOWING. THIS MAY CAUSE HIGH VOLTAGE, WHICH OVERHEATS THE SECONDARY OF THE CT. IF THE CT IS NOT CONNECTED, PROVIDE A SHORTING BLOCK ON THE SECONDARY OF THE CT.

2.2CONNECTING VOLTAGE CIRCUIT OF POTENTIAL TRANSFORMER

For proper operation, the voltage connection must be maintained. If an error occurs, such as mistaking Line A for Line B, a PH message appears, indicating a Phase Reversal (see Phase Imbalance and Reversal).

The cable required to terminate the voltage sense circuit should have an insulation rating greater than 600V AC and a current rating greater than 0.1 A.

2.3SELECTING THE VOLTAGE FUSES

We recommend using fuses, although connection diagrams do not show them. Slow blow, 200 mA rating fuses should be used.

The maximum voltage EPM3000P can handle 150V phase to neutral. If Suffix -G is added to the model number, the maximum voltage to be used is 300V phase to neutral.

2.4CONNECTION TO THE MAIN POWER SUPPLY

The EPM3000P requires a separate power supply connection. Listed are the 5 different power supply options and corresponding.

NOTE: FOR DC-POWERED UNITS POLARITY MUST BE OBSERVED. AN EARTH TO GROUND CONNECTION TO CHASSIS IS MANDATORY FOR NORMAL OPERATION (TERMINAL 3). DO NOT GROUND THE UNIT THROUGH THE NEGATIVE OF THE DC SUPPLY. SEPARATE GROUNDING IS REQUIRED.

POWER SUPPLY OPTIONS

SUFFIXES

CURRENT

120V AC

NO SUFFIX

.1 AAC

240V AC

A

.05 AAC

24V DC

D

.5 ADC

48V DC

D1

.25 ADC

125V DC

D2

.1 ADC

3

GE Industrial Systems

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Contents EPM 3000P All Rights Reserved Customer Service and Support Installation & O P E R a T I O N O G R a M M I N G Installation & Operation Mechanical InstallationMechanical Installation PortElectrical Installation CT Size VA Maximum Distance CT to EPM3000PListing of Connection Diagrams Electrical InstallationWith Direct Voltage and CTs With 2 CTs and 2 PTsIII. Open Delta PT Connection With 3 CTs and 2 PTsThree Phase System Wye System with PTs DUAL-PHASE Back ViewCOM RS-485 Communication InstallationRS-232C RS-485 Hookup Diagram 2 wire Half Duplex Communication InstallationRS-485 Hookup Diagram 2 wire Half Duplex Detail View EPM3000P Overview Volts AmpsEPM3000P Overview ‰ Unprotected Reset‰ Protected Reset Voltage Phase Reversal Voltage Phase Imbalance LimitAccess Operation I000222 ÖTo Print the Programming DATA, follow these steps300.0 General Procedure Overview GROUPS, Functions, and Switch PacksGeneral Procedure Overview PasswordUsed for Standard Numeric Data EntryEntering the Programming Mode 555Programming Group 0 Global Meter Setup Function NumberGlobal Meter Setup 020I20 Pack Switch Feature Segment Position Computer Controlled Dedicated Alarm 03.0S E T I25 Input Current CT Type Full Scale Programming GroupInput Voltage PT Ratio Full Scale I50 Programming GroupVolts 4/1 PT Programming Group 2 Meter Calibration To change the CALIBRATION, follow these steps250 Programming Group 4 SET Limits & Relays 10.1LM1 LED LM2 LED ABOVE/ below Relay Level Set Limits & RelaysLM1 LED LM2 LED ABOVE/BELOW Relay Value Set Limits and Relays ÖTo program Limits or RELAYS, follow these stepsSee to Exit Phase Reversal Percent Phase ImbalancePhase Reversal & Phase Imbalance Set Limits/Relays ÖTo change the Phase Reversal settings, follow these stepsI0.0 Exiting the Programming Mode If YOU are Located AT

EPM 3000P specifications

The GE EPM 3000P is a cutting-edge power monitoring and management device designed to enhance the reliability and efficiency of electrical systems. This innovative product combines advanced technology with user-friendly features to meet the growing demands of modern industrial and commercial environments.

One of the standout features of the EPM 3000P is its ability to provide real-time monitoring of key electrical parameters. This includes voltage, current, power, energy consumption, and power factor, all displayed on a high-resolution graphical LCD screen. The device supports a wide range of communication protocols, allowing for seamless integration into existing systems. It is compatible with Modbus, Ethernet/IP, and DNP3, enabling users to communicate and collect data from remote locations efficiently.

Another significant aspect of the EPM 3000P is its robust data logging capabilities. The device can store extensive historical data, which can be easily accessed for analysis and reporting. This feature is essential for identifying trends, diagnosing issues, and ensuring compliance with energy regulations. Customizable alarms and notifications further enhance its functionality, alerting users to potential issues before they develop into costly problems.

The EPM 3000P also emphasizes safety and protection for electrical systems. It is equipped with advanced protection features, including overvoltage, undervoltage, overcurrent, and phase loss detection. This ensures that equipment is safeguarded against electrical faults, reducing the risk of damage and downtime.

In terms of design, the EPM 3000P is both compact and rugged, making it suitable for installation in various environments. Its modular design allows for easy integration with other devices and systems, promoting scalability and future growth. The device is also compliant with international safety standards, ensuring reliability and peace of mind for users.

In conclusion, the GE EPM 3000P is a powerful tool for power management, offering users unparalleled monitoring, protection, and data analysis capabilities. With its advanced features, robust communication options, and user-friendly interface, it is positioned as an ideal solution for organizations looking to optimize their energy usage and enhance the resilience of their electrical systems. This makes it a preferred choice for industries aiming to improve operational efficiency and achieve sustainable energy practices.
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