COOPER POWER Smart Grid solution SERIES

Smarter voltage regulation

Integrated intelligence made simple by the experts Building Smart Grid infrastructure begins with advanced apparatus and integrated communications

Smart Grid complexity

• Eaton integrates proven • Voltage management is • While demands on the power • Implementation of Smart reliability, continuous critical to users of electrical grid expand, budgets remain Grid advancements and new innovation, user-friendly equipment and sensitive tight. Often, the purchase of technologies for power grid interface and exceptional electronics. Commercial, new equipment and the cost control and data acquisition distribution system industrial and residential associated with installation require specialized expertise. performance. applications require a and maintenance of the Solutions are needed that consistent voltage despite equipment must be justified are easy to implement and load current variations caused by projected savings. provide results without a lot by expanding system demand of complication. and load profile fluctuations.

2 EATON Smarter voltage regulation Voltage regulation solutions

Eaton’s Cooper PowerE series voltage regulators

• Industry leader in voltage regulator technology and innovation • Most advanced voltage regulator control in the industry • Secure communications integration with grid-wide line of advanced controls • More advanced solutions Eaton’s Cooper Power series CL-7 Because Eaton’s Cooper Power Eaton offers CYMEE packaged to meet the regulator control is specifically series voltage regulator engineering analysis software needs of power suppliers designed to meet the need for apparatus and control are to assist with the proper Smart Grid–ready equipment designed to operate together, coordination of voltage • Quickest responding with an array of communications exclusive features such as Duty regulators and options. These options easily Cycle Monitor (DCM), Preventive on your distribution system. single-phase step-voltage integrate with Eaton’s Yukon™ Maintenance Tapping (PMTE) This will help minimize losses, regulator tap changer in enterprise software and other and motor trouble diagnostics improve voltage profiles and the industry advanced controls to meet are available to alert users to a balance loads between feeders. system control and data need for maintenance. Proactive Optimize energy savings, power acquisition requirements. maintenance and quick quality and asset management • Product support alerts to impending issues Power saving Smart Grid while minimizing power will minimize maintenance and expertise that is advancements such as interruptions. Eaton’s Cooper costs and system downtimes. unmatched in the industry Integrated Volt/VAR Control Power series voltage regulators (IVVC) and Conservation Voltage Eaton’s Cooper Power series are part of a comprehensive Reduction (CVR) are easily CL-7 multi-phase control, another power management portfolio, implemented with our industry- major advancement from the an integral element in your leading voltage regulating industry’s leader in innovation, Smarter Grid operation, apparatus, control and enables operation of up to three and backed by expert communication interfaces. voltage regulators with a single technical support. The speed of the patented control. New multi-phase control Quik-Drive™ tap-changer along options include true three-phase with the unique Voltage Limiter metering, innovative gang- capabilities of the control enable operation strategies and the fastest response available enhanced delta system regulation. for extreme voltage swings.

EATON Smarter voltage regulation 3 Widest range of voltage regulator product offerings Pole-mount, platform-mount, substation and underground pad-mount and substation models Single-phase, 32-step Pad-mounted voltage voltage regulators regulators Our line of voltage regulators Designed for use in public and combines all of the advantages commercial areas with under- Eaton has to offer into a ground distribution lines, complete regulator package. pad-mounted regulators are Nowhere else can you get a available in single-phase, 2-in-1, single-phase regulator with and 3-in-1 configurations. The the innovative CL-7 control and multi-unit designs offer 2 or 3 complementary Quik-Drive single-phase regulators in one tap-changer technology that tank for space-saving flexibility. is decades ahead of the These regulators are compatible competition. Combine these with underground power with more than a half-century distribution systems, and offer of experience and expertise. a safe, tamper-resistant cabinet built to the same standards Substation voltage of security as our traditional regulators (SVR) pad-mounted . Substation class regulators With a lower profile footprint Eaton leads the industry in the than traditional overhead application of single-phase installations, they can be voltage regulators into discretely installed in substations regulating loads sensitive residential and up to 60 MVA. With features commercial areas. such as fan cooling and insulating fluid filtration, SVRs Modular integrated provide a viable option superior transportable substation to the use of On-Load (MITS) Tap-Changers (OLTC) with the added flexibility of regulation Voltage regulator products can separate from the power be combined with other power . The CL-7 multi- distribution equipment into an phase control offers additional MITS for mobile, temporary Modular integrated transportable substations advanced features such as or emergency needs. These true three-phase metering unique, cost-effective, and phase-voltage averaging turnkey installations are fully ganged operation. integrated and factory pre-engineered. An electrical power substation or any other grouping of electrical equipment Voltage ratings are is assembled on a self- supporting structural base, available from 2.4 kV or mounted on a Department of Transportation (DOT) Pad-mounted regulator (60 kV BIL) to 34.5 kV compliant trailer. The mobile (200 kV BIL) for 60 Hz mounting is particularly suitable for temporary use during and 50 Hz systems. construction or disaster relief.

Distribution class regulator

History of innovative design 1954 1959 1984 1988 • Single-phase step-voltage • Step-voltage regulator with • Microprocessor-based • Microprocessor-based CL-4 regulators introduced direct drive tap-changer control for voltage voltage regulator control regulators

4 EATON Smarter voltage regulation Eaton is the global leader Designed with experience in single-phase voltage Eaton’s Cooper Power series • Coil strength is improved regulators and controls, regulator designs provide through the use of hot superior dielectric and pressed, thermally upgraded, whether measured by short-circuit strength, higher epoxy-coated insulating paper. efficiency and extended life: market share or innovation. • Voltage regulator tanks We continuously invest • Unique reactor design have fully welded external to improve power quality consisting of a ground isolated components to eliminate shell type structure minimizes water entrapment leading and delivery efficiency, the effect of through-faults to premature corrosion. and ensures longer life under reduce maintenance costs Industry-leading product severe operating conditions. and extend the life of development is proven by the The dual-coil reactor design most comprehensive and fully the regulator apparatus with interlaced windings automated manufacturing test minimizes voltage drop and control. line in the industry. Routine and no-load losses. production tests are conducted at full-rated voltage up to 35 kV.

1997 1997 1999 • Pad-mounted, single-phase voltage • Dual cable disconnects with electronic • QD8 Quik-Drive tap-changer regulator—improves safety and CT protector improve safety provides longer life and environmental impact, and flexibility enhanced power quality and reduces costs

EATON Smarter voltage regulation 5 The CL-7 control steps into Communications interface The CL-7 is the next the future with exclusive The CL-7 control offers eight features such as: different integrated interface generation in the line options including: serial RS-232, of trusted Eaton CL Modularity serial RS-485, Ethernet copper, Install only the features that three versions of Ethernet controls. The CL-7 you need such as integrated multi-mode fiber Ethernet control continues communication interface single-mode fiber, and multi- boards, expanded input/output mode serial fiber. Native the look, feel and points, DC power supply and communications protocols battery backup. Spare parts include DNP3 (serial and IP), functionality of a trusted management is simplfied; keep IEC 60870-5-101 and -104, line of controls while modular parts on the shelf for Cooper 2179, ModbusT RTU easy installation when needed. and Modbus TCP. taking voltage

™ Multi-phase regulation option ProView NXG software regulation into the The CL-7 control leads the A single software program future with industry- industry with the multi-phase interfaces with the CL-7 option that allows the control and other Eaton control leading features. operation of two or three products including the CL-6 voltage regulator control, Form regulators with the use of a ™ single control. The multi-phase 4D recloser control, the SPEAR option offers benefits such as recloser control, CBC-8000 bank control, and a single communications point, ™ less hardware to program and the GridAdvisor smart sensor. maintain, true three-phase metering, advance gang- operation modes and improved delta system voltage regulation.

History of innovative design 2003 2004 • DNP Class data reduction provides • Poly position indicator • CL-6 control with • CL-6A control efficient communications and ease of use is corrosion free for programmable I/O programmable from extended life increases programming flash memory—easy to • QD5 Quik-Drive tap-changer provides flexibility, ease of use use, easy to program longer life and enhanced power quality and longer life

6 EATON Smarter voltage regulation Quik-Drive tap-changer

Eaton leads the industry with advancements to the SVR tap-changer mechanism. The Quik-Drive tap-changer rotates through all 33 positions in less than 10 seconds—providing the quickest response for superior voltage regulation. Other manufacturer’s regulators still use 80+ year-old spring-driven technology requiring 5 seconds per step.

The Quik-Drive offers: Tap-changer integration Speed with the CL-7 control Since Eaton developed the Advantages of this integration • Quickest response to large control, the tap-changer and include: voltage excursions the rest of the voltage regulator Duty Cycle Monitor (DCM) Preventive Maintenance • Taps eight steps (5%) in just apparatus, full integration of Tapping (PMT™) and Motor over 2 seconds all components is realized. Predictive maintenance feature Trouble diagnostics eliminates unnecessary Accuracy maintenance—reducing PMT performs user-scheduled downtime and lowering automatic operations to prevent • The tap-changer Geneva Gear costs. Valuable operational contact coking and provide peri- drive ensures accurate steps maintenance information, used odic operations checks. Coking without calibrated springs in conjunction with control can occur in heavily loaded, • Electrical feedback circuit configurable logic and SCADA under-oil contacts and can be ensures accurate tap position communications, can alert your seen in the reversing switch tracking and operations count control center to impending when a regulator rarely taps by the control maintenance requirements. through neutral. Set the con- DCM calculates the life used trol to initiate operations using Simplicity for each arcing contact on criteria such as time of day, the tap-changer. The control maximum steps from neutral, • No springs reduces uses advanced algorithms, or when the regulator is lightly maintenance and provides proprietary design information loaded. PMT can be used in con- faster response and measured power conditions junction with the Motor Trouble • Fewer moving parts by 20% during tap changes to estimate diagnostics and SCADA commu- means greater durability contact erosion. nications to send an alert regard- and easier maintenance ing operational issues. This can eliminate the need for regular function checks and reduce downtime.

2005 2007 2008 • Duty Cycle Monitor (DCM) • 3-in-1 pad-mounted design • QD5 Quik-Drive tap-changer • Junction box redesign and Preventive Maintenance improves application polymer insulating board improves quality and Tapping (PMT) improves flexibility and safety, and improves contact alignment, ease of maintenance equipment reliability reduces footprint and costs providing the quickest voltage regulation response

EATON Smarter voltage regulation 7 Smarter Grid solutions: IVVC improves power quality and system efficiency

Integrated Volt/VAR Control (IVVC) software communicates, Distribution automation solution analyzes and controls all voltage regulators, capacitors and Eaton offers a full suite of power • Capacitor banks OLTCs on a system to maintain voltage within acceptable quality software and apparatus • CBC-8000 capacitor bank levels as load increases or decreases. This allows leveling to support your Volt/VAR control of each feeder’s voltage profile and lowering of average management solution. With unparalleled expertise to make • Yukon™ Volt/VAR management voltages, often resulting in significant energy savings. your automation seamless, automation software IVVC software uses all of the built-in capabilities of we offer: • CYME™ Eaton’s voltage regulator package: the regulator with • Single and multi-phase software the CL-7 control, and innovative tap changer. voltage regulators • CL-7 voltage regulator controls

Voltage Load Tap Changer (LTC) Voltage Regulators and Controls

Capacitor Banks and Controls

Overhead Recloser

Transformers

Yukon IVVC Software

History of innovative design 2009 2010 • CL-6 control redesign delivers • CL-6 firmware upgrades support Leader/ • CL-6 firmware upgrades a smaller, more flexible package Follower schemes and Auto-Restore Local introduce Alternate Settings to fit inside the voltage regulator and Adaptive Add-Amp control box of any manufacturer • Ethernet interface

8 EATON Smarter voltage regulation Key to your Smart Grid is smart apparatus

Optimal feeder voltage Power system studies Energy efficiency for optimized results Yukon IVVC software Power factor correction is Eaton’s Cooper Power series synchronizes with capacitors a crucial element in improving Maximize the benefits from voltage regulators improve and voltage regulators leveling energy efficiency and reducing implementing a Volt/VAR the efficiency of the system and lowering the feeder voltage losses. Graph 2 below management solution using reducing costs: profile. The voltage regulator represents before and after Eaton CYME engineering team. • As a critical component of works in conjunction with the effective implementation of Power system studies are CVR and IVVC solutions capacitor, delivering the optimal Yukon Volt/VAR management offered to identify the best feeder voltage profile. Graph 1 software. • When feeder automation combination of voltage below represents the Yukon alternates loading and power regulation equipment to optimize IVVC software altering the flow direction feeder voltage profiles and voltage profile—resulting in a substation VAR management. reduction of the average feeder voltage from 122 to 118 volts.

135 Power Factor 102.00%

130 100.00% 98.00% 96.00% 125 94.00% 92.00%

Volts 90.00% 120 88.00% 86.00% 115 84.00% 82.00%

:00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 :00 00 00 00 00 00 :00 :00 :00 :00 :00 :00 :00 00 00 00 00 00 :00 :00 :00 :00 :00 :00 :00 00 110 0: 2: 4: 6: 8: 0: 2: 4: 6: 8: 0: 0246810121416 10 12 14 16 18 20 22 10 12 14 16 18 20 22 Without Volt/Var Automation With Volt/Var Automation Local Regulation Yukon IVVC Distance Two-day profile

Graph 1. Voltage Profile: Local regulation vs. Yukon IVVC Graph 2. Yukon IVVC management software

2011 2013 • Pioneers in development • CL-6 adjusts automatically to load changes • Single- and multi-phase of Volt/VAR management to increasing capacity and automating voltage CL-7 regulator system CVR or IVVC maintaining superior power control launched quality and extending product life

EATON Smarter voltage regulation 9 Technical expertise CASE STUDY 1. before and after DESIGN Utility IVVC software After justifying the business purchase application case, they deployed voltage regulators, capacitor banks and Utilities typically create Eaton has the technical Yukon Volt/VAR management operational plans for delivery software—including Integrated expertise to provide of power within an acceptable Volt/VAR Control—supporting voltage range at a planned BUILD products best suited peak load reduction through power factor. One large utility voltage and 24/7 load reduction. for a wide range of evaluated Eaton’s technology An additional benefit included applications. Rely on to take a big-picture view of remote identification of capacitor voltage regulators and capacitors our experienced bank problems. The result was to better optimize voltage levels achievement of the financial and INTEGRATE Engineered-To-Order and vars. The business case for operational benefits identified in staff to create a voltage conservation voltage reduction the CymDIST planning studies. regulator design meeting (CVR) is complex. Factors include projected cost of fuel, your specifications and emissions mitigation and added Utilities save on SUPPORT expectations. After the generation capacity with a goal the cost of fuel and sale, technical support is of reduced expenditures and lower utility bills for customers. available by phone and emissions mitigation, as This large utility built the well as a reduced need email, and in the field by business case for technology Eaton’s Electrical Services investment through the use of for additional peak & Systems team and Field Eaton’s CymDIST™ distribution planning power flow software. capacity. Customers see Application Engineers. smaller utility bills. Authorized Sevice Centers are located around the globe. CASE STUDY 2. Our factory and traveling Commercial and industrial Eaton’s Cooper Power series application unique pad-mounted regulators voltage regulator, control, with their complete deadfront Industrial expansion in a small construction, tamper-resistant IVVC and capacitor Mexican city had placed a heavy cabinet and low profile. workshops qualify for load on the city´s aging power The electrical ratings of grid that had not kept pace Continuing Education Units the three regulators in this with growing energy demands. installation were: (CEUs). For more than A cardboard manufacturer in 35 years, Eaton’s schools the city faced morning startup • 150 A with 10% voltage drops; it also have trained more linemen, • 7.62 kV was not uncommon to have technicians and engineers intermittent voltage surges • 114 kVA on the proper installation, of 12–15%. The extreme • 60 Hz operation and programming voltage swings were causing damage to high-efficiency of voltage regulators and motors, electronics, drives and With Eaton’s Cooper controls than any other programmable logic controls common in paper processing. Power series voltage manufacturer in the regulators and controls industry. During a site visit to discuss the voltage problems, the in operation, used in Eaton technical representative also recognized the limited conjunction with space availability and that the substation was located capacitors, power factor inside the plant—an electrical equipment room with limited improved from 0.94 access. The ideal solution for to 0.98. this type of installation was

History of innovative design 2014 2015 2016 • Voltage sag monitoring • Polymer version of the QD8 tap changer improves • Fault detector functionally provides expanded CL-7 an already great design added to CL-7 control control capabilities • Bias co-generation mode expands CL-7 functionally to solve modern grid problems

10 EATON Smarter voltage regulation CASE STUDY 3. CASE STUDY 4.

Military application Modular Integrated The MITS is: • A pad-mounted recloser Transportable Substation for feeder protection. Eaton supplied three • Prewired, tested and ready (MITS) pad-mounted voltage regulators to install upon leaving the • A small single-phase power and a power transformer without When Hurricane Sandy hit factory. This saves significant transformer supplying an on-load tap-changer (OLTC) Rockaway Beach, NY, the installation time during the 120 V power to the control to replace the aging OLTC storm surge left the 53rd critical early hours of the systems integrated into equipment in a substation on Street substation under 5½ disaster recovery effort. the unit. a military base. Pad-mounted feet of water, according to • Compact in design. • Extra features such as built-in voltage regulators with tamper- the local utility spokesman. All substation components spill containment, telescoping resistant cabinets and The substation was an fit neatly onto a single flood lights and in-cabinet door underground system air-insulated metal-clad design, skid, making transportation lights that are helpful compatibility ideally suited which was particularly vulnerable manageable, even in a for crews restoring power the application in which space to the salt water of the storm disaster area. at night. inside the substation enclosure surge. was at a premium and • Designed using shield- Once the MITS arrived on site, A nearby contractor had recently installation of additional grounded cable that is much the line crew, engineers purchased an Eaton MITS to fencing would be costly. less susceptible to storm and operation personnel replace an aging substation surges. immediately made the final After installation, the customer for upstate New York. In the connections between the requested the addition aftermath of the storm and with This particular MITS was damaged system and the of three-phase ganged operation restoration of power a priority, designed with: MITS and restored power. of the single-phase voltage he realized the MITS was the regulators. The additional ideal solution to the problem • A bank of three single-phase functionality was field installed at Rockaway Beach. The MITS pad-mounted voltage The MITS was the ideal with communications boards is well suited for this type of regulators to provide and fiber-optic cables added application. superior power quality. solution to restore to enable the Leader/Follower control scheme. The • A 5 MVA power transformer power quickly at inexpensive, easy-to-install to convert voltage from Rockaway Beach. solution not only met a 34.5 kV to 13.2 kV. customer need, but also illustrates the flexibility of Eaton’s Cooper Power series CL-series voltage regulator controls.

2017 • DeltaCalc features improves delta system regulation using CL-7 multi-phase capabilities • Modbus serial and TCP protocols become native to CL-7 control

EATON Smarter voltage regulation 11 Eaton 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com

Eaton's Power Systems Division 2300 Badger Drive Waukesha, WI 53188 United States Eaton.com/cooperpowerseries

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