ZTK(P) Variable Frequency Control System

The ZTK(P) non-explosion-proof mine hoisting electrical control system is suitable for single-rope winding dock cableway hoists (winches) or single-rope winding mine hoists (winches) driven by AC variable-frequency motors, as well as multi-rope friction mine hoists (winches).

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Mining electrical equipment

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Hebi Shuangmin Mining Machinery

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Shilin Industrial Park, Shan District, Hebi City, Henan Province

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Uses and Scope of Application

The ZTK(P) non-explosion-proof mine hoisting control system is suitable for single-rope winding dock cableways or single-rope winding mine hoists (winches) driven by AC variable-frequency motors, as well as multi-rope friction mine hoists (winches). It can be used with newly installed hoists (winches) and is also ideal for retrofitting existing hoist (winch) electrical control systems.

Technical Parameters

Electrical Control Technical Parameters	Control	Control method		Space Voltage Vector Control Method
		Frequency setting resolution		Digital: 0.01 Hz (below 100 Hz) 0.1 Hz (below 100 Hz) Simulation: 0.5 Hz Output frequency range: 0-300 Hz
		Frequency accuracy		Digital: 0.01% of the maximum output frequency; Analog: 0.1% of the maximum output frequency
		V/F ratio		Linear: Square root, any V/F
		Overload capacity		Rated current: 150% for 1 minute; Rated current: 200% for 0.5 second (characteristic is directly proportional to time).
		Torque compensation		Manual torque compensation (0-20%) Automatic torque compensation
	Run	Input signal	Operating method	Keyboard/Terminal/RS485 Communication
			Frequency resolution	Simulation: 0-10V/4-20mA/Additional interface on the daughter board (0-10V, 4-20mA)
			Start signal	Digital: Keyboard/RS485 Communication
				Main story / Reverse
			Acceleration and Deceleration Time	0–6000 seconds: Acceleration and deceleration time is switchable.
				Deceleration mode: Linear S-shaped
			Emergency stop	Interrupt the inverter's output
			Inch movement	Slow-speed operation
			Fault reset	When the protection function is enabled, the fault state can be automatically reset.
		Output signal	Operating status	Frequency detection level, overload alarm, overvoltage, undervoltage, inverter overheating, running, stopping, constant speed
			Fault output	Contact output – AC 250V 1A, DC 30V 1A
			Analog output	Select from output frequency, output current, output voltage, and DC voltage (output voltage: 0–10V).
	Protection function	Run function		DC braking, frequency limitation, frequency hopping, slip compensation, reverse rotation protection
		Inverter protection		Overvoltage, undervoltage, overcurrent, blown fuse, ground fault, inverter failure, motor overheating, phase loss, overload protection, external fault 1.2, communication error, speed command loss, hardware failure, incorrect option, etc.
		Inverter alarm		Protection blocked, overload alarm, temperature sensor malfunction
		Power outage in an instant		Less than 15 milliseconds: Continuous operation
				Greater than 15 milliseconds: Automatic restart allowed
	Display	keyboard	Operating Information	Output frequency, output current, output voltage, set frequency, operating speed, DC voltage
			Error message	When operating in fault protection mode, 3 fault duration records are saved.
		Ambient temperature		-10℃ to 40℃
		Storage temperature		-20℃ to 65℃
		Environmental humidity		Maximum 90% RH (no condensation)
		Height/Vibration		Below 1000 m, below 5.9 m/s (=0.6 g)
		Application location		Non-corrosive gases, flammable gases, oil mist or dust, and others
	Cooling method			Forced air cooling

Electrical control equipment is suitable for the following applicable locations (please specify if ordering for environments beyond those listed below).

1) The altitude should not exceed 1,000 meters. If the altitude exceeds this threshold, components should be operated at reduced power and capacity levels in proportion to the increase in altitude, and safety parameters such as the minimum safe creepage distance for certain components should also be taken into account.

2) The ambient temperature shall not exceed 40℃ nor fall below 0℃.

3) Relative humidity not exceeding 85%;

4) No conductive dust or gases that can damage metals and insulators;

5) No severe vibrations and a tilt angle no greater than 5°;

6) No strong magnetic field is present;

7) Areas that do not require explosion-proof protection;

8) The applicable premises can be met after taking the necessary measures;

9) Applications in special locations must be custom-ordered and must be specified in the technical agreement.

Scope of application

Dock cableways, mine main shaft hoisting systems with single-level and multi-level operations, auxiliary shaft hoisting systems with single-level and multi-level operations, as well as single-layer and double-layer cage systems.

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