Nidec ASI manufactures electric motors and generators with power ratings ranging from 150 kW to 45 MW. Their product lines include induction machines, synchronous motors and generators, DC motors, explosion proof machines, and variable speed drives. They engineer custom solutions for reliability and flexibility. All products are engineered-to-order rather than built to stock. Nidec ASI also has full system testing facilities for equipment up to 45 MW.

1. Electric Motors & Generators
PPT2013.01.01.04EN
www.nidec-asi.com

2. Electric Motors & Generators
Product Lines
Sales
>3000 kW
All our products are engineered-to-order, not built to
stock. Customize solutions, reliability and flexibility are
key concepts in our manufacturing processes
375 to
750 kW
750 to 3000 kW
TAM
Induction Machines
150 kW to 25 MW
Medium & High Voltage
750 to
3000 kW
375 to 750 kW
Explosion Proof Machines
Synchronous Motors & Generators
1 to 40 MW
Medium & High Voltage
DC Motors
2 to 6,000 kW (at 150 r/min in tandem)
Variable Speed Machines
PPT2013.01.01.04EN
>3000 kW
www.nidec-asi.com
SAM
>3000 kW
750 to 3000 kW
375 to
750 kW
2

3. Electric Motors & Generators
Product Lines
Induction machines
 Power rating:
− 150 ÷ 25,000 kW
− 200 ÷ 33,000 HP
 Voltage:
− up to 15 kV
 Mass:
− 1,500 ÷ 120,000 kg
 Number of poles:
− 2 ÷ 36
 Frame size:
− 315 mm through
1120, 10, 11, 12, 13
PPT2013.01.01.04EN
Synchronous machines
 Power rating:
− 150 ÷ 45,000 kW
− 200 ÷ 60,000 HP
 Voltage:
− up to 15 kV
 Mass:
− 1,500 ÷ 160,000 kg
 Number of poles:
− 2 ÷ 36
 Frame size:
− 450 mm through
1120, 10, 11, 12, 13
Explosion-proof motors
 Power rating:
− 150 ÷ 4,500 kW
− 200 ÷ 6,000 HP
 Voltage:
− up to 15 kV
 Mass:
− 1,500 ÷ 25,000 kg
 Number of poles:
− 2 ÷ 20
 Frame size:
− 355 ÷ 800 mm
 Cooling method:
− IC 511, IC 411
www.nidec-asi.com
DC machines
 Power rating:
− 2 ÷ 6000 kW (@
150 rpm in tandem)
 Voltage:
− up to 1000 V
 Mass:
− 100 ÷ 110,000 kg
 Number of poles:
− 2 ÷ 24
 Frame size:
− 80 mm ÷ 24
3

4. Induction Machine
Series: CT, CR, CB, W, N, CA
CT = IC 611 = TEAAC
CR = IC 81W = TEWAC
CB = IC 31 = TEPV
W = IC 01 = WPI & WPII
N = IC 01 = ODP
CA = IC 411= TEFC (ribbed frame)
Power Ratings: 150 - 25,000 kW
200 - 33,000 HP
No. of Pole: 2 - 36
Voltage: up to 15 kV
Mass: 1,500 - 120,000 kg
Small and medium frame sizes = shaft height : 315 mm (stator
OD = 546 mm), 355, 400, 450, 500, 560, 630, 710, 800, 900,
1000, 1120, 1250 mm (stator OD = 1950 mm)
Large frame sizes = 10 (shaft height = 1250 mm, stator OD =
1950 mm), 11, 12, 13 (stator OD = 3350 mm)
Max four number of frame lenghts per each size
Standard fabricated welded aluminum squirrel cage. Optional fabricated copper alloy brazed squirrel cage for
special applications or upon request)
Single punch laminations up to 1200 mm diameter, segmented when larger.
Standard thickness 0,50 ÷ 0,65 mm, losses 1,7 ÷ 2,3 W/kg @ 1 tesla
Short-pitch two-layer stator winding, insulated with class-F Micasystem®, based on high-performance mica
tape and blend of solventless epoxy resins, hi-pot tested before Vacuum Pressure Impregnation
Horizontal or vertical mounting
2-pole stiff rotor shaft
PPT2013.01.01.04EN
www.nidec-asi.com
4

5. Induction Machine
Enclosure Standards
CT = TEAAC
CR = TEWAC
CB = TEPV
W = TEFC
IC 01
Enclosures with openings to the environment
and using a shaft mounted fan (ODP, WPI,
WP2)
IC 411
Enclosures sealed to the environment and
using a surface type air to air heat exchanger
(TEFC)
IC 611
Enclosures sealed to the environment and
using a tube type air-to-air heat exchanger
(TEAAC)
IC W37 A81
Enclosures sealed to the environment and
using internal air as the primary coolant and
water as the secondary coolant by means of a
water-to-air heat exchanger (TEWAC)
IC W37 A81 enclosures
An optimized cooling system helps maximize efficiency
PPT2013.01.01.04EN
www.nidec-asi.com
5

6. Synchronous Machines
Series: MS, GS, CS
MSxx = Synchronous Motor
GSxx = Synchronous Generator
CSxx = Synchonous rotating Compensator
xx same as for Induction Series, according to cooling method
Power Ratings: 150 - 45,000 Kw
200 ÷ 60,000 HP
Voltage: up to 15 kV
Mass: 1,500 - 160,000 kg
No. of Poles: 2 - 36
Frame sizes = shaft height : 450 mm (stator OD = 750 mm), 500, 560, 630,
710, 800, 900, 1000, 1120, 1250 mm =10, 11, 12, 13 (stator OD = 3350 mm)
Several frame lenghts per each size & rotor type
Designed to meet specific application needs our synchronous motors provide outstanding
performance and reliability.
We have also consolidated experience in generators coupled to diesel engines
and turbines of all types.
PPT2013.01.01.04EN
www.nidec-asi.com
6

7. Synchronous Machines
Series: MS, GS, CS
1
2
3
4

Several rotor types, according to size, speed, application :
1.
2.
5
Salient-pole rotor with stack of star punched laminations
Salient-pole rotor with stacks of individual pole laminations, bolted or dove-tailed onto
spider or solid forging
Salient pole rotor with solid forged pole-shoes, bolted onto solid forging
Cylindrical rotor wit stack of cylindrical punched laminations
Cylindrical rotor with one-piece solid forging (turbo-like)
3.
4.
5.

Brushless excitation with shaft-mounted exciter and diode rectifier or static excitation with
slip-ring & brushes
Horizontal and Vertical Mounting Available
Accordance to API 546
PPT2013.01.01.04EN
www.nidec-asi.com
7

8. Hazardous Area Machines
Series: ET - CAD
ET = IC 511 = TEAAC
CAD = IC 411 = TEFC
Type of protection ATEX / IEC
Ex d IIB÷IIC T3÷T4 at -20/+50°C
(according to size, polarity, gas
group, mounting arrangement)
Type of protection ATEX / IEC
Ex d IIB T4 at -20/+60°C
Power rating: 160 ÷ 4500 kW
Voltage: up to 15 kV
Mass: 1800 ÷ 20000 kg
Number of pole = 2÷20 poles
Power rating: 150 ÷ 700 kW
Voltage: up to 7,2 kV
Mass: 1800 ÷ 4000 kg
Number of pole: 2÷8 poles
Frame sizes = shaft height: 400 mm (stator
OD = 546 mm), 450, 500, 560, 630, 710, 800
(stator OD = 1320 mm)
Frame sizes = shaft height: 355 mm
(stator OD = 546 mm), 400, 450
(stator OD = 700 mm)
Max three frame lenghts per each size
Only one frame lenghts per each size
PPT2013.01.01.04EN
www.nidec-asi.com
8

9. Hazardous Area Machines
Series: ET - CAD
Same main features as other induction series
Other types of protection for hazardous area are : Ex p = pressurized, Ex n = non-sparking,
Ex e = increased safety
Key issues : explosion-proof frame, flame-proof joints, gas ignition temperature class respect,
boxes and auxiliaries adequate for hazardous area
Our hazardous Area Machines meet both most exigent requirement standards (Shell, Saudi
Aramco, Exxon Mobil) and the main international standard IEC 60079
Certified by CESI (CENELEC member) – Milan
Variable-speed / frequency driven with suitable design vs certification costraints
NIDEC ASI has installed more than 2400 explosion proof area machines
in over 49 countries
PPT2013.01.01.04EN
www.nidec-asi.com
9

10. DC Machine
Series: GH - DH
Power Ratings: 2 - 6,000 kW (at 150 RPM)
Voltage: up to 1,000 V
Mass: 100 - 110,000 kg
Shaft Height:80 - 900 mm
No. of pole: 4 - 6
Mounting Arrangement: Horizontal/Vertical
Type of Cooling: IC06, IC666, IC86W, IC37
Performance features:
 High dynamic response
 Wide speed range
 High maximum speeds
 High efficiency
 High commutating capacity during current transients
Special Designs in the GH/DH series include totally enclosed non ventilated motors for
outdoor applications. These machines are particullary adapt for heavy handling lifting systems
Designed for material handling and applications with high torque, frequent acceleration or
deceleration, with fast response requirements.
PPT2013.01.01.04EN
www.nidec-asi.com
10

11. DC Machine
Series: MD800 – MDL800, MCF
MD Series
Power Ratings: up to 500 kW
Voltage: up to 500 V
Mass: 400 - 9,000 kg
Frame Size: 804 – 824
Number of pole: 4÷6
Mounting Arrangement : horizontal or vertical
Cooling method: IC06, IC666, IC86W, IC37 but
also IC410
MCF Series
Power Ratings: up to 1000 kW
Voltage: up to 1000 V
Mass: up to 110,000 kg
Frame Size: up to 6000 mm, size according to
number of poles
Number of pole: 8÷24
Mounting arrangement : horizontal
Cooling method: IC06, IC666, IC86W, IC37
(always force ventilated)
Massive stator frame and laminated poles
Massive stator frame and laminated poles
Our DC machines come in more than 20 different shaft heights and nearly 100 different frame size to cover
all applicable industry applications with significant experience in Marine, Metals & Plastics applications. All
DC machines are laminated frame design and can be supplied by any DC converter system.
PPT2013.01.01.04EN
www.nidec-asi.com
11

12. High Speed Motors
High Speed Synchronous Motors
Power Ratings: 5,000 - 75,000 kW
Voltage: up to 15 kV
Mass: 10,000 - 160,000 kg
Speed Range: 70% - 105% RPM
Top Speed: 8,000 RPM
High Speed Induction Motors
Power Ratings: 500 - 15,000 kW
Voltage: up to 15 kV
Mass: 4,000 - 40,000 kg
Speed Range: 70% - 105% RPM
Top Speed: 20,000 RPM
NIDEC ASI has over 15 years of experience in the manufacture of high speed motors. Our
high speed machines guarantee high quality power and energy efficiency, offering low
maintenance advantages over traditional motors with gear box.
PPT2013.01.01.04EN
www.nidec-asi.com
12

13. High Speed Motors
Power Range
Key features
 These synchronous and
induction machines are
typically used to drive
centrifugal load equipment
such as compressors and
pumps or to be driven by gas
turbines.
80
70
60
Recent projects update
50
Consolidated
New
MW
A
Under discussion
Delivered
 High-speed machines offer
significant advantages over
traditional solutions with gear
boxes including :
− Higher uptime
− Reduced power losses in
the drive train
− Lower maintenance and
operating costs
− Lower noise level.
40
30
20
B
10
C
0
2000
4000
6000
8000
10000
12000
14000
16000
18000
rpm
PPT2013.01.01.04EN
www.nidec-asi.com
20000
22000
24000
 ASI's experience in
Permanent Magnet design is
extending the limits of
capability to new power and
speed ratings
13

14. Permanent Magnet Machines
Series: GMP - MMP

Permanent Magnet generators (GMP) and motors (MMP)
offer higher efficiency and greater flexibility in design due to
compact footprint

Designs developed with genetic algorithm tools that identify
Pareto optimum performance
Market drivers :
Need to improve energy efficiency and performance
of existing industrial assets
Technological advancement
 Offshore wind turbine
generators
− The relative weight of
Permanent Magnet
machines make them highly
suitable for offshore
applications
− ASI's segmented design
allows plant to continue
producing energy even in
case of a fault
 Turbo-expanders and HighSpeed compressors
− ASI's experience in high
speed and special
applications can help
achieve an increase in
efficiency
 Mini Hydro generators
− The use of Permanent
Magnet generators in the
revamping of mini-hydro
stations is giving new life to
existing plants, increasing
energy production
PPT2013.01.01.04EN
www.nidec-asi.com
14

15. Variable Speed Drives
NIDEC ASI is one of the world’s leading suppliers of Medium Voltage Variable Speed Drives.
The flexibility of our modular design allow us to configure solutions granting you greater
flexibility in term of plant layout.
Our remote diagnostic features can play an important role in your maintenance and operating
strategies, contributing to a significant reduction in Life Cycle Cost for your equipment.
Right sizing the machine for your application guarantees optimum lifetime performance
PPT2013.01.01.04EN
www.nidec-asi.com
15

16. Product and Systems Testing
System Test Platform
Full System Testing up to 45MW
We provide our customers with a full testing facility in
a back-to-back configuration. Our recent up grade
means that we are able to even test our own high
speed machines.
Our special tests include heat run tests, inertia
moment evaluation, shaft voltage and ring tests (on
stator cores before winding assembly).
Test room is available for routine type and
special tests on any type of machine
manufactured in the Monfalcone plant, as well as
system tests for variable frequency drive
equipment.
PPT2013.01.01.04EN
www.nidec-asi.com
16