Utility Products

e-Cube - Utility Grid Connection Solution

The CTP e-Cube provides a 'plug and play' grid connection package for Utility Scale Wind and Solar Farms. We provide products that help our clients obtain grid connections without delay and at low cost.

The CTP e-Cube is a turn-key grid protection solution for the Utility Solar Farm sector. It is manufactured and pre-programmed to meet the specific requirements of each of Australia's NSPs.

We are proud to receive grant from Victorian Government to develop the e-Cube under the second round of the Labor Government’s $20 million New Energy Jobs Fund.

Simple, Easy & Cost Effective

Features

  • Point of disconnection between solar farm and grid

  • Interface protection between solar farm and grid

  • Revenue grade metering for solar farm energy and LGC creation

  • Remote access (Advanced & Pro Models only)

  • SCADA interface (Pro Model only)

  • Optional – In built Power Quality Meter – NER 2 ready (Pro Model only)

Benefits

  • Turn-key grid connection solution – reduces grid connection time and headaches

  • Combines Switchgear, Metering & SCADA in one package – reduces complexity 

  • Standardised Solution – reduces engineering and project management costs

  • High quality equipment and established suppliers gives long life and availability of spares

Customers

Project Developers
– allows engineering support at competitive cost and known technical requirements with the e-Cube

 

Small-Med Renewable Energy Contractors
– provides the full Grid Connection solution allowing them to focus on construction of solar plant

e-Cube Brochure

ecube-brochure-min

e-Cube Models

CTP offers the e-Cube in the following models: BASIC / ADVANCED / PRO

Electrical Specifications (Applicable for Basic / Advanced / Pro)
CONNECTION VOLTAGE 11kV 22kV
Rated Voltage (kV) 12 24
Rated Frequency (HZ) 50 50
Rated Short-Duration Power-Frequency Withstand Voltage (kV) 28 50
Rated Lightning Impulse Withstand Voltage (kV) 75 125
Rated short-time withstand current for 1.0 sec (kA) 20 16
IAC Classification A FLR 20kA 1s A FLR 16kA 1s
Rated Busbar Current (A) 630 630
Rated CB Current (A) 630 400
Maximum Generator Power (MW)[1] 10 12.5
Rated Operating Sequence O – 0.3 s – CO – 3 min – CO O – 0.3 s – CO – 3 min – CO
Number of Breaking Operations[2] 10,000 10,000
Switchgear Type GAS INSULATED (SF6) GAS INSULATED (SF6)
Operating Temperature -25°C – +55°C -25°C – +55°C
Standards IEC62271/AS3000/AS61000/AS3100 IEC62271/AS3000/AS61000/AS3100

[1]  Indicative generation level only. Derating factors and safety margins have been applied.  Other capacities available upon request.

[2] At the rated current of the circuit breaker

Features and Mechanical Details
BASIC ADVANCED PRO
Modes of Operation Local via manual spring charge Remote/local selector switch
Local via push-button
Remote via web interface
Remote/local selector switch
Local via push-button
Remote via web interface
Auxiliary Power Supply 230VAC / 24VDC UPS Battery[1] 230VAC / 24VDC UPS Battery[1] 230VAC / 24VDC UPS Battery[1]
Protection Type Siemens SIPROTEC 5 Platform – Model: 7SJ82 Siemens SIPROTEC 5 Platform – Model: 7SJ82 Siemens SIPROTEC 5 Platform – Model: 7SJ82
Protection Communications N/A Ethernet TCP/IP[2] Ethernet TCP/IP[2]
Protection Installation Location LV compartment LV compartment Secondary Panel
RTU / HMI No No Yes
Remote Access No Yes[3] Yes
PQM No No Option
Revenue Metering Enclosure VIC / NSW / QLD / SA compliant revenue metering enclosure VIC / NSW / QLD / SA compliant revenue metering enclosure VIC / NSW / QLD / SA compliant revenue metering enclosure
Enclosure Type / IP Rating Outdoor rated / IP54 Outdoor rated / IP54 Outdoor rated / IP54
Dimensions 2300 × 2400 × 1200 mm3 3060 × 2400 × 1170 mm3 3060 × 2400 × 1170 mm3
Weight 1000 Kg 1200 Kg 1200 Kg
Separate LV Secondary Panel No Yes Yes
Space for Customer / DNSP equipment No Yes Yes
Installation Type Concrete Pad[4] SKID Mounted SKID Mounted

[1] Minimum 2-hour autonomy time for e-Cube equipment only.  Additional equipment may reduce autonomy time.

[2] Modbus RTU, Modbus TCP, DNP3.0 and IEC61850 available upon request

[3] Remote access available with additional software – contact CTP for further information.

[4] Concrete pad to be provided by others.

Get in touch with us to discuss your requirements!

Get in touch with us to discuss your requirements!