Marine applications Siemens

Область применения

Our marine motors are designed for use onboard ships (installed below deck or on deck under a protective cover):

• Applications onboard ships as main and auxiliary drives below deck, e.g.:
  • Fans (air conditioning systems, refrigeration plants)
  • Pumps (for fire-extinguishing or ballast water, fuels, oils)
  • Compressors
  • Bow thrusters and Azimuth drives
  • Main propulsion drives
  • Booster drives and shaft generators (power take-in/power take-off mode)
  • Ex motors for hazardous zones

If marine motors are to be used on deck in especially corrosive atmospheres or in offshore applications, then they must be additionally upgraded to meet these more stringent conditions.

Typical applications are:

• Coastal areas, e.g. oil rigs, drilling ships
• Winches
• Pumps
• Compressors
• Crane drives

Offshore versions must be specifically ordered, as they require special measures.

Typical applications

Обзор

SIMOTICS FD (air-cooled and water-cooled) motors in marine design have been developed for operation below deck onboard ships. Motors intended for on deck operation or for offshore applications must be explicitly ordered using an additional order code (Article No. with additional identification code -Z and order code). The reason for this is that in these cases special measures are required. The thermal utilization of the motors is matched to the generally higher ambient temperatures onboard ship. If the application demands compliance with additional regulations, such as explosion protection, the appropriate motor series must be chosen.

The motors onboard ships are subdivided into three classes of importance by the marine classification societies in collaboration with customers, depending on the application:

• Essential Service for Propulsion or also "Primary Essential Service"
• Essential Service or also "Secondary Essential Service" or "Important Service"
• Non‑essential Service or also "Non-Important Service"

As the assignment of a drive to one of the importance classes has a direct impact on the scope of the marine options, this must be known when ordering the motor

The following services of the motor manufacturer are associated with the classes:

¹⁾ Certificate is not stipulated by every classification society, but is always issued according to the internal quality standards within the scope of a routine test.

²⁾ Provided that it is specified that the classification society supervises construction.

Classification societies

Other national classifications can be provided on request.

Regulations of the individual classification societies for motors:

Особенности

The marine motors offer the user a number of advantages and benefits:

• Cast-iron version is suitable for corrosive atmospheres especially for high humidity levels and salty air
• Variable-speed drives reduce the energy consumption verifiably
• Water cooling supports installation in small rooms and offers a higher output yield than air cooling for the same frame size
• Increased corrosion protection using specially designed paint finishes is available
• Open-circuit ventilated variant to IP23 is suitable for well-ventilated and dry rooms
• Marine motors can be supplied for use in areas to be protected against explosion of Zone 2
• In depth know-how regarding customer requirements
• Worldwide service network with 24 hour service hotline for motors and converters

Технические данные

Housing design

SIMOTICS FD motors are designed with a rugged low-vibration cast-iron housing.

Water cooling

For optimum utilization of the marine environment, two watercooling concepts are available for SIMOTICS FD motors:

• Conventional with air-to-water heat exchanger. In this case, the warm air is routed from within the motor to a heat exchanger. After cooling here, it is drawn back into the machine again.
• The cooling water flows through a meander tube that is pressed into the stator core. The coolant is then extremely close to the points where the heat is generated and can therefore cool extremely efficiently.

Both concepts support the use of fresh water and are provided with measures that prevent the ingress of water into the motor interior, e.g. use of double-pipe cooler.

Cooling with seawater is possible with an air-to-water heat exchanger.

Motor connection

An undrilled entry plate is provided as standard, drilled entry plates with or without cable glands are available on request.

All marine motors generally have an external grounding terminal.

Specifications of the individual classification societies with order codes for ordering SIMOTICS FD motors in marine design

SIMOTICS FD in marine design

SIMOTICS FD motors for marine applications must be ordered with classification-specific options. This ensures that both the mechanical design of the motor and the tests are performed exactly in accordance with the instructions provided by the respective classification society.

There are four categories of classification-specific options:

The options of the categories listed above are combined with each other depending on the class of importance, classification society and other conditions.

If motors are to be designed according to the specifications of several classification societies, a special inquiry is necessary.

Motors for Non‑essential Services

The technical design is in accordance with the ambient operating conditions specified by the classification society. One of the marine design options must be ordered by specifying the respective order code X00, X01, X12 ¹⁾, X03, X04, X05 or X06 (depending on the classification society). Acceptance inspections are not required. There is no distinction between ordering an individual motor or several motors.

¹⁾ Non-Essential Service is handled by CCS in the same manner as Essential Service

Motors for Essential Services

The technical design is in accordance with regulations of the classification society: Options with the order codes X10 to X16. An acceptance test certificate 3.2 according to EN 10204 and a product certificate of the classification society is provided with each motor. The options with order codes J70 to J82 (first motor), or J71 to J83 (additional motors) define the costs for certification of the motor.

Depending on the classification society, the test steps are controlled by the options with order codes X30 to X42 for the first motor (even numbers) and X31 to X43 for the additional motors (uneven numbers).

Motors for Essential Services for Propulsion

The technical design is in accordance with regulations of the classification society: Options with the order codes X20 to X26. An acceptance test certificate 3.2 according to EN 10204 and a product certificate of the classification society is provided with each motor. The options with order codes N40 to N52 (first motor), or N41 to N53 (additional motors) define the costs for certification of the motor.

Depending on the classification society, the test steps are controlled by the options with order codes X60 to X72 for the first motor (even numbers) and X61 to X73 for the additional motors (uneven numbers).

Additional options

Order code X99:

According to regulations, the acceptance tests are performed in the presence of an inspector of the classification society. If the customer or his representative is required to be present during the tests, order code X99 must be specified. In this case, the ordering party will be informed as to the dates in the form of an invitation.

All other tests can be ordered separately via the standard options for industrial motors. They will be performed in addition to the specified measurements. You will find the complete range of options for tests in section "Article No. supplements and special versions" under "Options".

Notice:

All options that can be ordered with order codes must also be ordered using these order codes.

If, for example, a motor according to the ABS classification is required for an ambient temperature of 45 °C, in addition to the order codes for marine options, order code D11 must also be specified.

Scope of design options X00 to X26

The design options include all classification-specific technical measures. These options are bundles of additional modifications and accessories which make a motor marine-compatible as well as classification-compliant and application-compatible.

Temperature class and coolant temperature

Standard motors and explosion-proof motors

Marine motors are normally designed for a coolant temperature of CT 45 °C or a cooling water temperature of 32 °C for utilization according to temperature class 155 (F). Motors according to the ABS classification that specify CT 50 °C are an exception. For reduction factors for cooling air and water temperature, see "Configuring the motors".

More detailed information is available on request.

Rating plate and acceptance test certificate

The metal rating plate indicates the relevant classification society and the associated coolant temperature. The housings of all certified motors are stamped with the certificate number and identifier of the society or testing agency, in accordance with regulations. These stamps are in the vicinity of the rating plate.

The results of the acceptance test are supplied with the motor certificate and the motor.

Degree of protection

The degrees of protection as specified in the catalog apply. For IP56 (non-heavy sea, order code K52) the formation of ice must be avoided.

Winding and motor protection

To monitor the winding and, if specified by the classification society, to monitor the bearings, the motors are equipped with PTC thermistors, temperature sensors or resistance thermometers. All water-cooled motors are equipped with leak sensors as protection against leaks in the cooling circuit. The complete scope of standard accessories depends on the society and importance class.

Paint finish

The paint thickness is greater than standard and is included in the option for the technical design. This is suitable for indoor and outdoor use under a roof or cover.

A paint finish according to EN ISO 12944-5 C5-M is used for unprotected installation on deck, especially aggressive atmospheres or offshore applications. This is part of order code E81, which upgrades a standard marine motor for these special ambient conditions.

Special paint colors and increased layer thicknesses are available on request.

Recommended special versions

• Rust-resistant screws (externally) – Order code M27
• Shock Pulse Measurement (SPM) nipple for monitoring the bearing vibrations for essential and non-essential motors – Order code G50
• Mounting of 2 Pt100 screw-in resistance thermometers in basic circuit for rolling-contact bearings for essential and non-essential motors – Order code A72
• IP56 degree of protection (non-heavy-sea) for protection against water jets from any direction – Order code K52
• Upgrading a marine motor for unprotected installation on deck, use in especially aggressive atmospheres or offshore applications – on request

Дальнейшая информация

Ordering notes

The fees of the classification societies for necessary authorizations, individual acceptance inspections and certificates are included in the order code.:

• Self-ventilated motors – enclosed version
• Forced-air cooled motors – enclosed version
• Water-cooled motors with water-jacket cooling
• Water-cooled motors with air-to-water heat exchanger
• Self-ventilated motors – open version
• Forced-air cooled motors – open version
• Explosion-proof motors

Ordering examples

Selection criteria	Requirement	Structure of the Article No.
1st ordering example: 5 motors for Non-Essential Service according to GL (Germanischer Lloyd), Germany
Motor type	SIMOTICS FD self-ventilated, IC411 cooling method, IP55 degree of protection	1LM1	❑	❑	❑	-	❑	❑	❑	❑	❑	-	❑	❑	❑	❑
Motor series	Low-noise standard version	1LM1	2	❑	❑	-	❑	❑	❑	❑	❑	-	❑	❑	❑	❑
System description	Operation on SINAMICS converter with unregulated infeed	1LM1	2	2	❑	-	❑	❑	❑	❑	❑	-	❑	❑	❑	❑
Efficiency	Premium Efficiency	1LM1	2	2	3	-	❑	❑	❑	❑	❑	-	❑	❑	❑	❑
Frame size	315	1LM1	2	2	3	-	3	A	❑	❑	❑	-	❑	❑	❑	❑
No. of poles	4‑pole	1LM1	2	2	3	-	3	A	B	❑	❑	-	❑	❑	❑	❑
Laminated core length	average	1LM1	2	2	3	-	3	A	B	5	❑	-	❑	❑	❑	❑
Line voltage and frequency	690 V, 50 Hz – VSD	1LM1	2	2	3	-	3	A	B	5	3	-	❑	❑	❑	❑
Rated speed	1500 rpm	1LM1	2	2	3	-	3	A	B	5	3	-	2	❑	❑	❑
Type of construction	IM B3	1LM1	2	2	3	-	3	A	B	5	3	-	2	A	❑	❑
Terminal box position	Standard version (terminal box on DE top)	1LM1	2	2	3	-	3	A	B	5	3	-	2	A	A	❑
Separately driven fan position	No separately driven fan/heat exchanger	1LM1	2	2	3	-	3	A	B	5	3	-	2	A	A	0
Special versions	Technical version according to GL, CT (air) = 45 °C, temperature class 155 (F) used acc. to 155 (F) incl.: Insulated bearing at NDE, coated internal surfaces and special external coating with 240 μm, 3 PTC thermistors for alarm and tripping in the winding	1LM1	2	2	3	-	3	A	B	5	3	-	2	A	A	0	-Z
		X04
	Article No. for all 5 motors	1LM1	2	2	3	-	3	A	B	5	3	-	2	A	A	0	-Z
		X04
2nd ordering example: 5 motors for Essential Service according to BV (Bureau Veritas), France
Motor type	Motor of example 1	1LM1	2	2	3	-	3	A	B	5	3	-	2	A	A	0
Special versions
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