Authorized Hitachi Energy Distributor
Hitachi Energy K711000TDAAYL - POF-550, Outdoor Voltage Transformer, Nominal System Voltage=115kV, BIL=550kV, Bushing Creep/Strike=138.19"/41.73"min., Ratio=600/1000:1:1, Accuracy=0.3 0,W,X,M,Y,Z,ZZ, Thermal Rating=7500VA, Primary Voltage=69000V, Secondary Voltage=115/69V (2), Bushings=1 Porcelain
Hitachi Energy

K711000TDAAYL

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Overview

The Hitachi Energy POF-550 Outdoor Voltage Transformer (SKU: K711000TDAAYL) is engineered for reliable voltage measurement in 115kV nominal systems. This outdoor-rated unit features a primary voltage of 69000V and a nominal system voltage of 115kV, with a robust Basic Lightning Impulse Insulation Level (BIL) of 550kV. The transformer offers a versatile ratio of 600/1000:1:1, catering to diverse metering and protection requirements. Its accuracy class is rated at 0.3, covering multiple metering and protection classes including 0, W, X, M, Y, Z, and ZZ, ensuring precise readings for critical grid operations. The POF-550 is equipped with a single porcelain bushing, providing durable and effective insulation. It boasts a substantial thermal rating of 7500VA, supporting continuous operation under demanding conditions. The unit's physical dimensions are characterized by a bushing creep/strike distance of 138.19 inches / 41.73 inches (minimum), designed to maintain adequate insulation in various environmental conditions. Hitachi Energy's commitment to quality is evident in this transformer, designed for long-term performance and reliability in substations and power transmission networks. This transformer is a key component for accurate voltage monitoring and control in high-voltage electrical infrastructure, ensuring grid stability and operational efficiency.
  • Outdoor-rated voltage transformer for 115kV nominal systems
  • Primary Voltage: 69000V
  • BIL Rating: 550kV
  • Ratio: 600/1000:1:1
  • Thermal Rating: 7500VA
A - 15.0 kV bushing

015J0400AN

A - 15.0 kV bushing
O Plus C - 34.5 kV bushing

034Z3000AW

O Plus C - 34.5 kV bushing

Frequently Asked Questions about Hitachi Energy

What are the main product lines offered by Hitachi Energy?

Hitachi Energy offers five primary product lines: Grid Automation, Communication Networks, Energy Storage, Transformers, and High Voltage Solutions. These lines include innovative products such as COMBIFLEX modular relays, wireless communication networks, e-mesh PowerStore energy storage systems, comprehensive transformer ranges from pole-mount to distribution substation designs, and high voltage equipment including capacitors, instrument transformers, and circuit breakers up to 1200 kilovolts.

What certifications and standards do Hitachi Energy products comply with?

Hitachi Energy products comply with multiple international certifications and standards, including UL (Underwriters Laboratory), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical functional safety standards such as EN 61800-5-2, ISO 13849-1, IEC 61508, and mechanical protection standards like EN 60529 (IP code). We ensure rigorous compliance across industrial automation, energy storage, and transformer product lines, with specific UL certifications for drives and comprehensive testing for environmental and safety performance.

What industries and applications are Hitachi Energy products used for?

Hitachi Energy products serve multiple critical industries including utilities, industrial manufacturing, commercial facilities, petrochemical, oil and gas, mining, water treatment, food and beverage, pulp and paper, and marine sectors. Their comprehensive product lines cover grid automation, communication networks, energy storage, transformers, high voltage equipment, and drive systems for applications like pumps, compressors, cranes, hoists, conveyors, and HVAC systems across diverse operational environments.

What technical support does Hitachi Energy offer?

Hitachi Energy offers comprehensive technical support across multiple service lines, including system commissioning, software configuration, on-site training, and installation assistance. Key technical support services include checking system prerequisites, setting up measuring and data equipment, configuring software features like WEBVIEW-L, providing training on system usage, and delivering detailed service reports. They also offer specialized training for power monitoring, energy quality, and industrial communication systems.

What are the key features of Hitachi Energy products?

Hitachi Energy products feature advanced technologies across grid automation, communication networks, energy storage, high voltage systems, and transformers. Key characteristics include modular and flexible design, robust industrial-grade performance, high reliability, and solutions that optimize power quality, enhance grid stability, and minimize environmental impact. Their product lines deliver innovative capabilities for utilities, industrial, and commercial applications, with a strong focus on scalable, secure, and efficient power technologies.

What communication protocols do Hitachi Energy products support?

Hitachi Energy products support multiple industrial communication protocols, including Modbus TCP/IP, RAPIEnet, EtherNet/IP, PROFIBUS DP, PROFINET, CANopen, and Modbus RTU. Their communication networks are industrial-grade, offering robust connectivity solutions for diverse industrial automation environments with support for wireless and wired communication technologies.

What environmental ratings do Hitachi Energy products have?

Hitachi Energy products feature robust environmental ratings including UL/cUL Type 4 and Type 4X certifications, Class 1 Division 2 hazardous location approvals, and CE compliance. These ratings cover industrial applications in oil and gas, chemical, mining, and pharmaceutical sectors, with products engineered to withstand challenging environmental conditions like extreme temperatures from -40°F to 131°F and potentially hazardous atmospheric environments.

How are Hitachi Energy products typically installed?

Hitachi Energy products are professionally installed through a comprehensive deployment process that includes pre-sales support, project design, field inspection, pre-commissioning, and final commissioning. Their modular product designs, such as the COMBIFLEX relay systems and SUNSYS energy storage solutions, enable flexible installation across various industrial environments with adaptable mounting and casing alternatives. Trained Hitachi Energy service teams work directly with customers to ensure precise system setup, configuration, and operational readiness.

What is Hitachi Energy's warranty policy?

Hitachi Energy offers comprehensive extended warranty options for energy storage systems, providing coverage up to 20 years for complete systems or batteries. The warranty includes corrective maintenance, parts replacement, on-site labor, and a battery performance warranty. Customers must maintain a preventive maintenance contract and keep equipment permanently connected to the internet for data monitoring to qualify.

What accessories are available for Hitachi Energy products?

Hitachi Energy offers a comprehensive range of accessories across multiple product lines, including relay accessories for the COMBIFLEX® system, communication network components, and energy storage system add-ons. Key accessories include COMBITEST relay test systems, wireless communication network equipment, remote monitoring devices, and power management system components for energy storage solutions like the SUNSYS HES XXL. Specific accessories include IoT monitoring devices, firmware upgrade capabilities, voltage outlets, power supply modules, and trip unit options for various electrical systems.