H2Tech - Electrolyzer Handbook 2022 - 67

2022 ELECTROLYZER HANDBOOK
PRODUCT CATEGORIES
COMPANY INDEX
ALKALINE
HySTAT® Series
DESCRIPTION: Cummins HySTAT® series of electrolyzers is based on Cummins'
proprietary IMET membrane technology, offering a strong safety and reliability record
for its robust system design. HySTAT® is Cummins' modular alkaline electrolyzer
designed for easy onsite installation (inside or outside), with simple interconnectivity
for easy scale up and maintenance.
Efficiency values for Cummins' electrolyzer products are expressed at the
product boundaries, at rated pressure, nameplate capacity, hydrogen purity and
at the beginning of life (BOL). Cummins' electrolyzer efficiency degrades by less than
1%/yr (assuming 8,500 hr of annual operation). After 80,000 hr, stacks can be easily
refurbished to as-new efficiency.
ADVANTAGES/KEY FEATURES:
* Modular and flexible: Stack configurations available in 1, 2, 4 and 6 stacks
with nominal hydrogen output varying from 10 Nm3/hr-100 Nm3/hr;
scalable for future requirements.
* Durable: Robust technology and long lifetime with minimal maintenance.
* Safe and reliable: Flawless safety records for decades.
* Product designed to supply nominal hydrogen flowrate during lifetime.
Electrolyzers will consume less energy at the BOL and more energy
at the end-of-life for a specific hydrogen production.
SPECIFICATIONS:
Technology
Hydrogen production,
Nm3/hr
Hydrogen delivery
pressure, barg
Hydrogen quality
max impurities
HySTAT® 10
Alkaline
10
10 (145 psig) without
a compressor
99.998%
O2 < 2 ppm;
N 2 < 12 ppm (higher
purities optional);
atmospheric dew point:
-75°C
Operating range
System specific
consumption*
Utilities required
to operate the plant
Rectifier input
and efficiency
Installed power, kVA
Potable water
consumption
Total footprint (including
maintenance area)
Product setup
40%-100%
55 kWh/kg-
60 kWh/kg
3 x 400 VAC ± 10%
50/60 Hz
115
155
275
Scope of supply includes a water treatment plant with reverse osmosis that
requires 1.2 L/Nm3-2 L/Nm3 (varies depending on potable water quality)
to produce 0.8 L/Nm3 of demineralized water for the electrolysis process.
9.4 m x 5.8 m (approximately 54 m2)
Outdoors (20-ft ISO container/Indoors (skidded setup)
Installation enviornment Outdoors: -20°C-40°C (-4°F-104°F)
*System specific consumption considers: The standard scope of supply refers to the outdoor version of this product,
100% load capacity, BOL, 1%/yr increase at ≥ 8,500 hr of operation, range for indoor and outdoor
Continued 
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HySTAT® 15
Alkaline
15
10 (145 psig) without
a compressor
99.998%
O2 < 2 ppm;
N 2 < 12 ppm (higher
purities optional);
atmospheric dew point:
-75°C
40%-100%
55 kWh/kg-
60 kWh/kg
40%-100%
(optional 20%-100%)
55 kWh/kg-
60 kWh/kg
Electrical power, portable water and nitrogen for purging requirements
HySTAT® 30
Alkaline
30
10
99.998%
O2 < 2 ppm;
atmospheric
dew point: -75°C
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