Eaton HCU2 Quick start guide

Operational manual

Harmonic correction unit (HCU2)

and electronic VAR injector (EVI2) active lters

ii OPERATIONAL MANUAL MN156001EN October 2015 www.eaton.com

DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY

The information, recommendations, descriptions and safety notations in this document are based on Eaton’s experience and

judgment and may not cover all contingencies. If further information is required, an Eaton sales office should be consulted.

Sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate Eaton selling

policies or other contractual agreement between Eaton and the purchaser.

THERE ARE NO UNDERSTANDINGS, AGREEMENTS, WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WARRANTIES

OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY, OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY

EXISTING CONTRACT BETWEEN THE PARTIES. ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON. THE

CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES.

In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability

or other-wise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited

to damage or loss of use of equipment, plant or power system, cost of capital, loss of power, additional expenses in the

use of existing power facilities, or claims against the purchaser or user by its customers resulting from the use of the

information, recommendations and descriptions contained herein. The information contained in this manual is subject to

change without notice.

iii

Harmonic correction unit (HCU2) and electronic VAR injector (EVI2) active ﬁlters

OPERATIONAL MANUAL MN156001EN October 2015 www.eaton.com

Contents

SAFETY PRECAUTIONS ......................1

INTRODUCTION.............................2

Harmonic Correction Unit .................... 2

Electronic VAR Injector ...................... 2

OPERATION ................................3

Home Screen ............................. 3

User Login ................................ 3

System Status ............................. 3

Overall Status Screen...................... 4

Unit Information ........................ 4

System Information. . . . . . . . . . . . . . . . . . . . . . 4

Parallel Unit Status ........................ 4

Unit Configuration Screen .................. 4

Network Setup ......................... 5

Unit Setup............................. 5

Voltages and Temperature .................. 5

Voltages............................... 5

Temperatures .......................... 5

Unit Status .............................. 5

Metering ................................. 6

Currents ................................ 6

Fundamental Current ...................... 6

Performance............................. 7

Power .................................. 7

Waveforms ............................... 7

Available Scope Data ...................... 8

Phasor Diagram .......................... 9

Event Log ................................ 9

System Settings ...........................10

Compensation Mode Screen (HCU2 type) .....10

Compensation Mode Screen (EVI2 type).......11

Miscellaneous Settings ................... 12

Voltages ............................... 13

Parallel Configuration ..................... 14

Harmonic Enable (HCU2 type) .............. 14

Unit Settings ............................. 14

Basic Setup ............................ 15

CT configuration ......................... 15

Manual CT configuration................. 16

Automatic CT configuration .............. 16

Brightness and Advanced HMI Settings ...... 19

Input Configuration....................... 19

Output Configuration ..................... 20

External Interfaces ....................... 20

Modbus TCP/IP Address Setup ............... 21

Set up users with the User Manager .......... 21

Change a password ...................... 22

Delete a user ........................... 22

COMMISSIONING AND START-UP.............23

Commissioning the unit .................... 23

Adjust date and time ..................... 24

Check fan .............................. 24

System Integrity Test ..................... 24

Parallel System Setup .................... 26

External transformer ..................... 26

CT configuration ......................... 27

Manual CT configuration................. 27

Automatic CT Configuration .............. 28

System Mode Setup (HCU2 type)............. 30

System Mode Setup (EVI2 type).............. 30

Admin password setup ..................... 32

Test Run. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Catalog Numbering System ................. 34

TROUBLESHOOTING........................34

WARRANTY ...............................36

Harmonic correction unit (HCU2) and electronic VAR injector (EVI2) active ﬁlters

OPERATIONAL MANUAL MN156001EN October 2015 www.eaton.com

Safety information

Important information

Read these instructions carefully and look at the equipment

to become familiar with the device before trying to install,

operate, service or maintain it. The following special

messages may appear throughout this bulletin or on the

equipment to warn of potential hazards or to call attention

to information that clarifies or simplifies a procedure.

The addition of either symbol to a “Danger” or “Warning”

safety label indicates that an electrical hazard exists which

will result in personal injury if the instructions are not

followed.

This is the safety alert symbol. It is used to alert you to

potential personal injury hazards. Obey all safety messages

that follow this symbol to avoid possible injury or death.

DANGER

DANGER indicates a hazardous situation which, if not

avoided, will result in death or serious injury.

WARNING

WARNING indicates a hazardous situation which, if not

avoided, could result in death or serious injury.

CAUTION

CAUTION indicates a hazardous situation which, if not

avoided, could result in minor or moderate injury.

NOTICE

NOTICE is used to address practices not related to

physical injury.

ote:N Electrical equipment should be installed, operated,

serviced and maintained only by qualified personnel.

No responsibility is assumed by the manufacturer

for any consequences arising out of the use of this

material.

A qualified person is one who has skills and

knowledge related to the construction, installation,

and operation of electrical equipment and has

received safety training to recognize and avoid

the hazards involved.

As standards, specifications and designs change

from time to time, please ask for confirmation of

the information given in this publication.

Safety precautions

OPERATIONAL MANUAL MN156001EN October 2015 www.eaton.com

Safety precautions

Installation, wiring, testing and service must be performed

in accordance with all local and national electrical codes.

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR

ARC FLASH

• Apply appropriate personal protective equipment

(PPE) and follow safe electrical work practices. See

NFPA 70E in the USA, CSA Z462, or applicable local

standards

• This equipment must be installed and serviced only

by qualified electrical personnel

• Do not exceed the device’s ratings for maximum

limits.

• Ground equipment using the ground connecting

point provided before turning on any power supplying

this device

• Turn off all power supplying this device and the

equipment in which it is installed before working

on the device or equipment

• After removing power, wait for 15 minutes to allow

the capacitors to discharge prior to opening the doors

or removing covers

• Always use a properly rated voltage sensing device to

confirm power is off

• Replace all devices, doors, and covers before turning

on power to this equipment

• Carefully inspect the interior for tools left behind

before closing and sealing the door

Failure to follow these instructions will result in death

or serious injury.

Introduction

OPERATIONAL MANUAL MN156001EN October 2015 www.eaton.com

Introduction

The product can be provided in either of two types, an

Harmonic Correction Unit (HCU2) or an Electronic VAR

Injector (EVI2). Both types are to be installed as described

in this manual. These products are both referred to as an

active filter in this manual. For the most part, operation is

the same for both types. Where there are differences, they

are indicated by [HCU2] or [EVI2] in the topic heading. For

example, the information in Harmonic Enable [HCU2 type]

on page 14 pertains to HCU2 type active filters.

Harmonic correction unit

Active Harmonic Filters (HCU2) are static power electronic

products that employ digital logic and IGBT semiconductors

to synthesize a current waveform that is injected into the

electrical network to cancel harmonic currents caused

by nonlinear loads. HCU2 employ current transformers

to measure the load current to determine the content of

harmonic current present. By injecting the synthesized

current, network harmonic currents are greatly mitigated,

thus reducing the heating effects of harmonic current and

reducing voltage distortion to permit other equipment to

operate properly and enjoy a long product life span.

HCU2 also have the ability to correct for poor displacement

power factor (DPF) and for mains current balancing. DPF

correction can be provided for either leading (capacitive) or

lagging (inductive) loads that cause poor DPF. Mains current

balancing is achieved by measuring the negative sequence

current present and injecting the inverse negative sequence

current to balance the current for the upstream network.

Electronic VAR injector

Electronic VAR injector (EVI2) are static power electronic

products that employ digital logic and IGBT semiconductors

to synthesize a current waveform that is injected into the

electrical network to cancel load induced poor displacement

power factor (DPF), phase current unbalance, and

flicker. DPF correction can be provided for either leading

(capacitive) or lagging (inductive) loads that cause poor

DPF. Mains current balancing is achieved by measuring the

negative sequence current present and injecting the inverse

negative sequence currents to balance the current for the

network. Flicker control is provided by rapid detection and

injection of reactive current (VARs) to prevent the reactive

current from over loading the network that causes rapid

voltage deviations identified as flicker.

EVI2 also have the ability to monitor the network voltage

on which they are connected and determine the proper

amount of VARs to either raise the network voltage or

lower it. EVI2 will inject leading VARs to raise the voltage

and lagging VARs to lower the voltage. Entry of appropriate

parameters will keep the network within its stated voltage

tolerance level.

Operation

OPERATIONAL MANUAL MN156001EN October 2015 www.eaton.com

Operation

This chapter provides information operation of the active

filter. It covers additional settings that you can configure after

commissioning. It includes descriptions of parameters and

information available on the display as well as event logs.

Home Screen

When first energized, the HMI displays the Home screen.

To return to the Home screen, press the Home icon at the

bottom on any of the screens. To change parameters, you

must be logged in as an Admin level user. From the Home

screen, you can access the following:

• System Status: Displays screens providing an overview

of the system status

• Metering: Displays screens that provide measured values

of the unit, system, and electrical distribution system

• Waveforms: Displays screens that graphically represent

various values measured

• Event Log: Displays a list of all events that occurred with

the unit

• System Settings:Allows changes to be made to the

system parameters. When operating in parallel, all

systems settings must match for each unit in the parallel

system

• Unit Settings: Allows changes to the unit parameters

• Commission Unit: Provides a step-by-step procedure to

commission the unit

Note: Once the unit is commissioned, you do not need

to perform this procedure again.

• User Login: This is where you log into the unit to change

parameters

• Start System/Stop System: This icon toggles between

Start System when inactive and Stop System when

active. Start System activates the unit, or in parallel

operation, it starts the entire system. Stop System

stops the unit, or in parallel operation, it stops the

entire system.

User Login

For information on setting up users, refer to Set up users

with the User Manager on page 21. To log in:

1. Press User Login.

2. Press the Username field. Type your user name on the

keypad and press Enter.

3. Press the Password field and enter your password.

4. Press Log In.

System Status

System Status screens display information on the unit’s

status. Also when installed as a parallel system, information

for the entire active filter system is provided. To navigate

through the screens, press the up or down arrow. To return

to the Home screen, press the Home icon. An active filter

operating as a standalone unit has four System Status

screens. Active filters operating in a parallel system have

five System Status screens.

Operation

OPERATIONAL MANUAL MN156001EN October 2015 www.eaton.com

Overall Status Screen

The Overall Status screen provides information on the

status of the unit. When connected in parallel with other

active filters, it provides information on the status of the

entire parallel system.

Unit Information

Unit Status: Indicates whether the unit is in Run or

Stopped condition.

Unit Rating: Indicates the amperage rating of the unit.

Derating: Indicates if the unit has been derated by a

percentage.

Output: Indicates the total output current of the unit.

Unit ID: Indicates the unit unique identification number.

Each unit in a parallel system must have a unique unit ID.

System Information

System Status: Indicates the status of the system.

Available Cap: Indicates the total capacity of units in the

parallel system currently available, which includes all units

currently running (actively compensating) and units in

stand-by.

Active Cap: Indicates the total capacity of units in the

parallel system currently running (actively compensating).

Output: Indicates the output current of the system in

amperes.

Master ID: Indicates the unit ID of the unit that is currently

acting as the Master.

Priority: Indicates the priority group that is operating.

Parallel Unit Status

Parallel Unit Status displays when Network is selected in

System Settings, Parallel Configuration.

The Parallel Unit Status provide general operating condition

of each unit in the parallel system.

Selecting Synchronize System Settings synchronizes the

System Status settings for all networked parallel units in the

system.

Unit Configuration Screen

The Unit Configuration screen provides the configuration

information for the unit.

HMI Version: Displays the HMI software version that is

loaded on the HMI.

Control DSP Version: Displays the software version

installed on the Control DSP.

Protection DSP Version: Displays the software version

installed on the Protection DSP.

Operation

OPERATIONAL MANUAL MN156001EN October 2015 www.eaton.com

Network Setup

IP: Displays the IP address for the TCP/IP Ethernet

connection.

Subnet: Displays the unit’s subnet address.

See Unit Settings on page 14 for instructions on

changing the Network Setup values.

Unit Setup

Unit Type: Indicates whether the unit is an active filter

or an electronic VAR compensator.

Unit Size: Displays the unit amperage rating.

Nominal voltage and frequency: Displays the system

nominal voltage and frequency settings.

CT Conn.: Indicates the number of CT’s connected to

the unit.

CT Ratio: Displays the CT ratio used.

CT Configuration: Indicates whether the CT’s are located on

the Source or Load side of the active filter system.

Voltages and Temperature

Voltages

Line Voltage: Displays the three-phase average of the

incoming line voltage to the unit.

Line Frequency: The measured source frequency.

DC Bus Top: The measured DC voltage of the top

DC bus section.

DC Bus Bot: The measured DC voltage of the bottom

DC bus section.

Temperatures

All temperatures are displayed in degrees Celsius.

Inlet: Unit’s inlet air temperature.

Unit Top: Outlet air temperature of the electronic

air section.

Control Board: Air temperature surrounding the Control

Printed Circuit Board.

IGBT L1: Temperature of phase L1 inverter IGBT.

IGBT L2: Temperature of phase L2 inverter IGBT.

IGBT L3: Temperature of phase L3 inverter IGBT.

Unit Status

Uptime: Elapsed time from the last energization.

Total On Time: Total time the unit has been energized.

Total Run Time: Total time the unit has been in Run

condition.

Average Output L1: Average output current for L1 phase.

Average Output L2: Average output current for L2 phase.

Average Output L3: Average output current for L3 phase.

Operation

OPERATIONAL MANUAL MN156001EN October 2015 www.eaton.com

Metering

Currents

Total Load: Total load current in amperes RMS.

Load Harmonics: Total load harmonic current in

amperes RMS.

Output Harmonics: Harmonic current output of the unit in

amperes RMS for harmonic mitigation.

Output Fund: Output current at the fundamental frequency

for power factor correction and/or load balancing.

Total Output: Total output current of the unit in

amperes RMS.

Source: Total source current in amperes RMS.

Fundamental Currents

Reactive (PF): Displays per phase average reactive current

of the load and output in amperes RMS.

Negative sequence: Negative sequence current of the load

and output in amperes RMS.

Fund current Req: Fundamental current required per phase

to achieve set point.

Fund Current Out: Displays fundamental current produced

per phase.

Load Balancing: Indicates whether the Load Balancing

mode is ON or OFF.

PF Mode: Indicates that the Power Factor correction mode

is ON or OFF.

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